Kevin analyzes hitter fantasy baseball sleepers, breakouts surging for Week 6 of 2026. Are they true breakouts, or fake outs? Read his fantasy baseball outlooks and buys/sells.
Welcome back to another edition of Fantasy Baseball Hitter Breakouts or Fake Outs. As we slide into May we've started to get a good grip on who's going to be a threat this season. Early season breakouts are always great to see, but our goal is to identify fool's gold so that you don't bank on that hitter to carry you through the season.
So that's exactly what we'll do for you this week. We'll analyze four hitters who are currently on hot streaks, and we'll use the advanced stats to help us find out whether their results are sustainable.
Now let's dive in. This week, we'll evaluate a quartet of young hitters - Samuel Basallo, Nathaniel Lowe, Josh Jung and Kazuma Okamoto. All statistics in this article reflect games played through Monday, May 4th.
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Samuel Basallo, C/DH, Baltimore Orioles
2026 Stats: .764 OPS, 113 OPS+, 5 HR, 10 RBI, 10 R, 0 SB
As the Orioles' top prospect in 2025, Basallo had a lot of hype surrounding him. With impressive numbers pretty much up and down the entirety of their minor league system, he made his MLB debut in 2025 but got caught behind a bit of a wall with Adley Rutschman ahead of him in the depth chart.
With Rutschman out for most of April, Basallo took advantage. And over the last two weeks he's been particularly effective, hitting for a 226 wRC+ as Baltimore's best bet. He's smoking hot right now, but is he a breakout or a fake out? Let's dive in.
Big Sam sends one to the flag court 💪 pic.twitter.com/LXm1RYRnT0
— Baltimore Orioles (@Orioles) April 26, 2026
Starting with the plate approach, Basallo is looking similar to his 31-game stint from last season, but with one major improvement. His strikeout rate is up a touch from 25.4% to 27.0%. That's not too concerning to me, but the walk rate is up from 5.1% to 10.0%.
If you've read past articles, you know that I love it when the walk rate increases because it helps to continue getting hitters on base when the bat's not hot. It also shows a great eye for the zone, which is huge for a young guy like Basallo.
That's also a result of a decreased swing rate. He was at 56.0% last season and is at 49.7% this season. The chase rate is slightly down, but overall, less swinging has been beneficial for the 21-year-old.
Now, for what happens when he does swing. His batted-ball profile is certainly showing improvement as well. That's because his ground-ball rate is down from 49.4% and is at 36.5% this season. The fly-ball rate is slightly up, but we're seeing a huge increase in the line-drive rate, from 10.1% to 22.2%.
If you want to get more productivity with the bat, simply get the ball off the ground! Basallo is certainly making sure he's accomplishing that. It's equating to a 19.2% HR/FB rate, so even though the ball's not getting in the air, he's punishing it at a decent rate that's in the range of what he did in the minors.
As we look at BABIP, he's posting a .293 number this season. That's well up from last season's .187 that he posted. With a 55 OPS+ last season, it's easy to see that positive regression, tied in with an improved batted ball profile, is a big reason for his improvement this season.
Now for the Baseball Savant page. He's posting a .336 wOBA that's paired with a .329 xwOBA. That xwOBA is just a bit above league average. It had been hovering a bit low but the success over his last 50 PAs has greatly helped it rise.
His hard-hit rate and barrel rate are solid, but more improvement couldn't hurt. His hard hit rate is in the 74th percentile while his barrel rate is in the 58th percentile. Perhaps if some of those line drives found a bit more air, then that barrel rate could increase.
Sam Basallo said 'MY TURN' pic.twitter.com/fwIDnrYt4T
— Baltimore Orioles (@Orioles) April 25, 2026
As we look at the pitch mix he faces, we can see there's some room for improvement. He's hitting four-seamers pretty well, posting a .367 wOBA with a .395 xwOBA. That precious positive regression is showing up here!
But the next three pitches that he faces the most all have some underwhelming numbers. That would be changeups (.245 wOBA, .234 xwOBA), sliders (.283 wOBA, .230 xwOBA), and curveballs (.154 wOBA, .197 xwOBA). It's clear he hasn't adjusted to offspeed pitches and breaking balls at the major league level, and I'd expect more pitchers to turn to these soon.
One pitch he should continue to crush is cutters. He only sees them 9.3% of the time, but, in a small sample size, he's hit them for a .694 wOBA that's paired with a .540 xwOBA. Go ahead and file sinkers in the smash category as well (.683 wOBA, .614 xwOBA). Any type of fastball he'll smash while offspeed needs work.
Verdict: Basallo is clearly starting to get a solid feel for the majors, but has some really clear areas that need improvement. He's been more selective, and that's paid off, but he needs to adjust better to any offspeed pitches. Once he does that, then his young career will really, really take off.
He also has to worry a bit about playing time with Rutschman in the mix. Baltimore's been finding ways to make things work, usually having the two split between catcher and DH, but it does need to be something that's called out here as a potential risk.
Overall, I think Basallo profiles as a league-average hitter and should be a buy. The current hot streak makes him a great candidate for you to pick up and ride the hot streak. But once he cools down, expect him to settle with a league-average OPS+. That's a great improvement over last season, and he should be a solid complementary piece to your roster.
Nathaniel Lowe, 1B, Cincinnati Reds
2026 Stats: .945 OPS, 155 OPS+, 5 HR, 15 RBI, 8 R, 0 SB
Even the most savvy of MLB could have been forgiven for not realizing that Lowe was now playing for the Reds. The 30-year-old is on his fourth team in three years, but made a huge impact in recent weeks with an outburst of power.
His walkoff homer against the Tigers put him on the radar this season as part of a four-homer series. But is this recent breakout a sign that he's here to stay or is he a fake out? Let's look at the numbers.
NATHANIEL LOWE
WALK-OFF HOME RUN 🤯 pic.twitter.com/EXfCfsvGO2
— MLB (@MLB) April 25, 2026
The plate approach shows that Lowe continues to have a strong eye for the zone, posting a 10.1% walk rate. That's down from the 12% range he was at a few seasons ago, but 10.1% is still above league average.
The strikeout rate has improved, though, down to 20.3% from 26.1% last season. He'd generally been around 22% in seasons past, so this is much closer to his norm.
As for his batted ball profile, we're seeing decreases in both his ground-ball rate and fly-ball rate from last season. That obviously means a big increase in line drive rate, up to 27.1% from 19.9% last season.
The decrease in fly-ball rate shouldn't worry anyone, though. While it's down to 35.4% that's still the second highest number he's posted in his career. His ground-ball rate, down to 37.5%, is the important number here, though. That's the lowest mark of his career.
So more balls off the ground and more balls in the air. A great formula for success! Now let's head to his Baseball Savant page.
His .401 wOBA is paired with a .391 xwOBA. While he doesn't have enough PAs to be qualified, that would rank in the 92nd percentile and put him on par with guys like Riley Greene, CJ Abrams, and Munetaka Murakami. A barrel rate of 14.6% and a hard-hit rate of 52.1% actually make him profile very closely to Greene.
Stay hot, Nate!@nathaniel_lowe pic.twitter.com/zqtBvyEILA
— Cincinnati Reds (@Reds) April 30, 2026
As we look at the pitch mix, we can see one pitch he's expecting positive regression on and one that has a bit of negative regression. The pitch with positive regression is sinkers. He's hitting them for a .371 wOBA that's paired with a .438 xwOBA.
That is a solid improvement from last season when sinkers weren't exactly a strength of his (.307 wOBA, .256 xwOBA). We should still worry about a small sample size, but it's still a noticeable improvement.
The pitch that's expecting negative regression is curveballs. He's hit them for a solid .400 wOBA, but that's paired with a .151 xwOBA. Last season, he hit curves for a .318 wOBA that was paired with a .285 xwOBA. So maybe the smaller sample size is influencing the .151 xwOBA, but it still looks like a pitch he may be getting a little lucky with.
Verdict: There is a lot to love with Lowe right now. Even though it's a small sample size, xwOBA is certainly high on the 30-year-old. With the improvements in his batted-ball profile, we can expect more productive hits. And with a decreased strikeout rate, we're seeing more balls in play, which are great with his hard-hit rate.
Right now, Lowe is a buy. He's bouncing back from a subpar 2025 and is looking like the best version of himself in 2026. While I think he'll start to cool off soon, I don't think he's going to be the early-season version of himself that hit for just a .657 OPS. Expect him to level off a bit above his career numbers, probably with an OPS+ around the 135-140 range.
He's only on 9% of rosters on Yahoo! so there's a fantastic chance he's available on your waiver wire. A series against the Cubs this week may be tough, but you know you're looking forward to seeing him face off against the Astros and Nationals right after that. Ride the hot streak.
Josh Jung, 3B, Texas Rangers
2026 Stats: .916 OPS, 169 OPS+, 4 HR, 19 RBI, 12 R, 1 SB
It wasn't too long ago that Jung looked like he was going to win the AL Rookie of the Year until he fractured his thumb and had to miss over a month of action, essentially knocking him out of the race.
That season, he hit for a 113 OPS+ and was a key reason the Rangers were a solid regular-season team that went on to win the World Series. But this year he's on another level, hitting for a career best 169 OPS+. He's smoking the ball, but we need to ask the question we always ask: Is he a breakout or a fake-out?
Josh Jung's 4th homer of the year is a go-ahead shot for the @Rangers 😤 pic.twitter.com/9MV7lcU3qW
— MLB (@MLB) April 26, 2026
Starting with the plate approach, we see improvements in both the walk and strikeout rates. The walk rate is up from 5.3% to 7.9%. That's not an overwhelmingly high rate, but any increase is a good thing.
It's his strikeout rate that's massively improved, though. It's down to 15.1% after traditionally hovering around the 25% level. That's usually a very good thing, especially if you're able to hit the ball hard. But more on that later.
Now for the batted ball profile. He's posting a 41.7% ground-ball rate, which is just about who he's been his entire career. Where we start to see some major changes is in his fly-ball rate and line-drive rate.
The fly-ball rate is down to 26.0% from 36.8% last season. That's generally not a very good thing, but luckily, the lack of flyballs is resulting in more line drives. That rate is up to 32.3% from last season's 21.8%. If the ball's not getting fully in the air, at least it's line drives and not grounders.
With that increase in line drives, we wouldn't be surprised to see a high BABIP. But the .359 BABIP that Jung's posting doesn't seem terribly high for as many line drives as he's hitting. He's also generally a higher BABIP guy, posting a career .327 BABIP. There's certainly a bit of luck here since it's above .300, but not to a concerning level.
Now for the Baseball Savant page. Jung's .400 wOBA is paired with a .371 xwOBA. Some negative regression is fair to expect, but the .371 xwOBA still ranks in the 82nd percentile. You're getting a really solid hitter even after negative regression hits.
Josh Jung is LOCKED IN 🔒@RangersSNtv | #MLB pic.twitter.com/pIrgGh5cY6
— Victory+ (@victoryplustv) May 1, 2026
His hard-hit percentage of 50.0% ranks in the 84th percentile, matching what we're seeing out of xwOBA. He's going to continue hitting it hard. But his barrel rate is actually a bit concerning. It's coming in at just 5.2% and ranks in the 26th percentile.
That barrel rate is actually the lowest of his career. It was up to 11.9% in 2023 and has decreased every season since. It's not an issue now since his line drive rate is so high, but if he starts getting on top of pitches more, then those line drives are going to turn into grounders and the hard hit rate isn't going to matter.
As we look at the pitch mix, it's evident that both positive and negative regression are coming, dependent on what he sees. Sinkers are the main pitch he's expecting positive regression on. He's hitting them for a .232 wOBA that's paired with a .324 xwOBA. Perhaps the lack of flyballs is affecting him on sinkers, but positive regression appears to be coming nonetheless.
The next three pitches all are expecting negative regression. Those would be four-seamers (.425 wOBA, .354 xwOBA), sliders (.517 wOBA, .420 xwOBA) and sweepers (.307 wOBA, .257 xwOBA). The good news is the floors on four-seamers and sliders really isn't all that bad at all. In fact, sliders are going to remain a strength of his, no matter what.
Verdict: The numbers certainly back Jung as a buy at this point. You don't see an xwOBA of .371 and think, "Nah, I can find someone better." He's most certainly a buy, especially with such a high line-drive rate that's going to result in hits more often than not.
But I do worry about the lack of flyballs. It's fine as long as the line drive rate stays as high as it is. But maybe he would benefit from taking bigger swings, even at the detriment of a higher strikeout rate. The hard-hit rate is there; he just needs more barrels.
Regardless, you're going to want Jung on your roster. He's available in 48% of leagues right now, so consider it a coin flip on whether you can find him on your waiver wire. If he's there, then snag him and ride that hot streak. If he finds a way to get it in the air more, things will only get better from here.
Kazuma Okamoto, 3B, Toronto Blue Jays
2026 Stats: .790 OPS, 115 OPS+, 9 HR, 22 RBI, 18 R, 0 SB
It was a bit of a slow start for Okamoto as he got acclimated to the majors. In his first 17 games, he hit for just a .585 OPS. But since then, he's been a different hitter, smashing for a 1.019 OPS.
Seven of his nine homers and 18 of his 22 RBI have come in these 16 games. He's looking like a guy who can get Toronto's lineup back on the right track. But, as always, we must ask whether he's a breakout or a fakeout. Let's dive in.
Kazuma Okamoto hits a 453-foot rocket to put the @BlueJays within one 🚀 pic.twitter.com/jaFEMNgtpO
— MLB (@MLB) May 2, 2026
As we look at his plate approach, we can see one consistency with his time in Japan and one rate that's drastically different. The walk rate is consistent, coming in at 10.9%. In Japan, that rate was always right around or above 10%, so his eye for the zone is staying solid.
It's the strikeout rate that's drastically different, though. In Japan, he generally had a strikeout rate around 18%, which had decreased to 11.1% last year. But in his first year with Toronto, it's up to 29.0%.
That's partially due to a 13.5% swinging strike rate, up from 8.8% and 9.5% in his last two season in NPB. I would expect that decreases with time, but we're unlikely to see anything close to an 18% strikeout rate again.
As for the batted ball profile, he's posting a 39.8% ground-ball rate, 45.8% fly-ball rate and a 14.5% line drive rate. The ground-ball rate is higher than what he posted in Japan, which generally was around 32%. A high fly-ball rate was generally part of his batted ball profile, but line drives were usually closer to 18%.
I'll attribute some of the grounders to him getting adjusted to MLB pitching. Our best-case scenario is for him to turn more of these grounders into line drives.
A positive in his batted-ball profile is that his HR/FB rate is up to 23.7%. That's a number he never posted in Japan, so we know when he gets a hold of Major League pitching, he can crush it.
Kazuma Okamoto clubs his 3rd home run of the year 😤 pic.twitter.com/N4EargD2KY
— MLB (@MLB) April 19, 2026
As we look at his BABIP, it's coming in at .270 so far. Generally we'd point towards that being below .300 and it indicating positive regression. But in Japan that's generally the mark he was around. It was above .300 in 2025, but I'd lean towards a sub-.300 BABIP is more of his profile.
Now for the Baseball Savant page. His .349 wOBA is paired with a .359 xwOBA. So a touch of positive regression is coming. But if you look at his rolling xwOBA over his last 50 PAs you can see there's potential for it to get even higher.
What's going to help that is his 51.8% hard-hit rate and 15.7% barrel rate. That puts them in the 91st and 89th percentiles, respectively. It's looking like the strikeout rate is really holding him back from getting into that upper echelon.
The pitch mix that pitchers have attacked him with shows two very clear strengths with two other pitches expecting positive regression. The strengths are four-seamers (.418 wOBA, .410 xwOBA) and sliders (.527 wOBA, .477 xwOBA). I don't mind the negative regression expected on sliders because just look at that floor.
The two pitches that are expecting positive regression are sinkers (.226 wOBA, .348 xwOBA) and sweepers (.287 wOBA, .327 xwOBA). That big jump for sinkers should get Blue Jays fans and fantasy managers excited since it's the pitch he sees the second most.
Going forward, the two pitches I'd expect pitchers to pivot to more against Okamoto are cutters and changeups. He's hitting both for sub-.200 wOBAs and they each have a sub-.200 xwOBA as well. But not everyone throws a cutter and a good changeup can be hard to come by.
Verdict: Count me as someone who's very much in on Okamoto. He's starting to get hot and is showing the promise he showed in Japan. The power is very clearly there and he's starting to make the proper adjustments that are going to make him a threat for Toronto.
I do worry about the strikeout rate holding him back, especially after being so tough to strike out previously. But that's all part of the adjustment to the majors. With a little more contact in the right areas he's going to be a guy with an OPS+ in the range of 140-145. That's a guy you want on your roster.
At 81% rostered in Yahoo! leagues he's probably not available on your waiver wire, but if you're in the 19% of leagues where he is just chilling out there then go snatch him up.
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