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Ryan Waldschmidt Showing Five-Category Upside at Triple-A, Continues to Hold Elite Stash Value
Arizona Diamondbacks outfield prospect Ryan Waldschmidt remains a top hitting prospect to stash ahead of Week 5 of the fantasy baseball season. The top-hitting prospect in the Arizona system nearly broke camp with the MLB roster but was instead sent to Triple-A to put the finishing touches on his development. With the Reno Aces, Waldschmidt has showcased his elite five-category potential and is on the verge of earning the call to join the Snakes. Through his first 23 games of the Triple-A regular season, Waldschmidt has hit two home runs, added seven doubles, and swiped four bags. During this stretch, the former Kentucky product has held a .333/.449/.552 line with a 1.001 OPS. Even though Lourdes Gurriel Jr. is back in action in left field, Waldschmidt could carve out a starting job in center field and would have high-end fantasy upside as soon as he earns the call. He should be viewed as a top stash option in all formats this week.
Source: MiLB.com
Source: MiLB.com
Paul Sewald Stumbles in Non-Save Situation, Will Look to Bounce Back Next Time Out
Arizona Diamondbacks closer Paul Sewald stumbled a bit on Thursday in a non-save situation against the Chicago White Sox, where he allowed three earned runs on one hit and two walks. It was Andrew Benintendi who did the damage, taking him 410 feet to right-center to give the White Sox the lead and tag Sewald with the loss. Outside of Thursday's outing, Sewald has been a pleasant surprise for fantasy managers, as he's converted on seven of his seven save opportunities, and appears to have a firm grasp on the closer role with the Diamondbacks, with Thursday's non-save situation being a blip on the radar. Even with the three earned runs allowed Thursday (he's allowed five earned runs on the season), he owns a 4.50 ERA and 0.90 WHIP with 12 strikeouts in 10 innings pitched and 12 appearances. While the metrics under the hood aren't all that fascinating, Sewald is converting on his save opportunities, and as long as he continues to do that, he should remain on your fantasy rosters, as he is tied for second in MLB with his seven saves.
Source: ESPN
Source: ESPN
Is Jett Williams Nearing his MLB Debut?
Milwaukee Brewers infield prospect Jett Williams is quickly climbing the stash rankings ahead of Week 5 of the fantasy baseball season. The Brewers acquired Williams this offseason in the deal that sent right-handed pitcher Freddy Peralta to the New York Mets. While Williams was unable to crack the Opening Day roster, he could be in the mix for an early promotion, given Milwaukee's current production in the infield. Through his first nine games of the Triple-A season, Williams got off to a slow start, posting a low .440 OPS with five hits (all going for singles). However, since then (12 games), Williams has posted a much higher .730 OPS with three extra-base hits, including his first home run of the young season. In the majors, starting third baseman David Hamilton has held a .226 AVG while shortstop Joey Ortiz has posted an even lower .185 AVG. Williams may need to show further development, but there is not much competition standing in his way for a promotion. His speed upside (five SBs in 21 games) makes him a top target in deeper category leagues.
Source: MiLB.com
Source: MiLB.com
Kaelen Culpepper Continues to Produce at Triple-A, Nearing MLB Promotion?
Minnesota Twins infield prospect Kaelen Culpepper is continuing to find great success at Triple-A St. Paul and is quickly approaching an MLB debut. Through 20 total games this season, the infielder has posted a .265/.351/.422 line with a .773 OPS. He has tallied four doubles, hit three home runs, and swiped four bags. Over his last 10, he has posted an even higher .286 AVG with a .375 OBP. Last summer, Culpepper spent his time with High-A and Double-A and looked comfortable at both levels. Over both stints (113 games), the infielder held a .289/.375/.469 line with 16 doubles, 20 home runs, and 25 stolen bases. Seeing him not miss a step in his move to Triple-A is an excellent sign for his long-term outlook. With the Twins not finding much stable production in their middle infield spots, Culpepper is quickly emerging into must-stash territory.
Source: MiLB.com
Source: MiLB.com
Seranthony Dominguez Continues Scoreless Streak, Tallies Fifth Save
Chicago White Sox closer Seranthony Dominguez had a much-needed clean ninth inning in Thursday's 4-1 White Sox victory over the Arizona Diamondbacks. He pitched a clean frame, striking out two batters and not allowing a base runner, while only throwing 12 pitches (eight for strikes). Dominguez has now converted on his last two save opportunities after a rough outing on April 16 against the Tampa Bay Rays, where he had his second blown save of the season. On the season, Dominguez has now converted five of his seven save opportunities, and his two blown saves are the only runs he has allowed all season (five total). Because of those two blow-up outings, Dominguez owns a 5.00 ERA and 1.56 WHIP, which isn't great, but based on the scarcity of solid closers in MLB right now, Dominguez appears to be rising up the ranks after converting with clean outings in his last two opportunities. While the volume for saves may not be there for the White Sox (currently 10-15 on the season), Dominguez appears to have a firm grasp on the closer opportunity when situations arise; he just needs to continue to capitalize on those opportunities.
Source: ESPN
Source: ESPN
Miguel Ullola Emerging as Sneaky Pitching Prospect to Stash?
Houston Astros right-handed pitching prospect Miguel Ullola is emerging as a sneaky pitching prospect to stash. Currently, the Houston Astros have minimal depth in their starting rotation, with several key starters on the injured list, including ace Hunter Brown, Tatsuya Imai, and Cristian Javier. Ullola is currently at Triple-A and has continued to show steady progression at the top level of the Houston system. During the 2025 season, he spent his entire campaign with Sugar Land and posted a 3.88 ERA across 113 2/3 innings. While he struck out 131 hitters, he also walked 78 batters. However, over the first four starts of the 2026 season, Ullola has walked two or fewer hitters in two games and held a 3.31 ERA. While he will still have to lower his walk rate to enjoy consistent production, he is taking ample strides, which makes him a worthy stash candidate in deeper 12+ team leagues.
Source: MiLB.com
Source: MiLB.com
Kevin Alcantara Worthy of a Deep-League Stash?
Chicago Cubs outfield prospect Kevin Alcantara has enjoyed a hot start to the Triple-A regular season in terms of power production and is quickly making a case to join the MLB roster. Through the first 20 games of the Iowa Cubs' regular season, Alcantara has hit four doubles and gone deep five times. During this stretch, he has carried a .213/.314/.587 line with a .901 OPS. Last summer, Alcantara spent most of his time in Iowa and had a brief taste of MLB-level play. Through 102 games with the top club in the minor leagues, Alcantara held a .266/.349/.470 line with 17 round-trippers. Over a short 10-game stint with the Cubs, Alcantara went 4-for-11 with a stolen base. While the Cubs outfield is filled at the moment following Seiya Suzuki's return to injury, Alcantara is worth looking at as he could be the next man up following another injury. His high-end power makes him a viable stash option in deeper 15-team leagues with five-outfielder spots.
Source: MiLB.com
Source: MiLB.com
Travis Bazzana Not Slowing Down at Triple-A, Entering Elite Stash Territory?
Cleveland Guardians infield prospect Travis Bazzana has continued to play at a high level at Triple-A Columbus and is quickly entering must-stash territory among hitting prospects. Over the first 11 games of the Triple-A regular season, the former Oregon State standout struggled to find his footing, posting a low .191/.296/.319 slash line with just two doubles and two triples. However, since this sluggish start, the former first-overall pick has begun to look like his former self, holding a much higher .405/.532/.676 slash line with seven doubles, one home run, and an elite 1.208 OPS over his last 10 contests. During this stretch, he has struck out just nine times while drawing 10 walks and stealing four bases. Given the Guardians could use depth in the middle of their infield with Gabriel Arias on the 10-day injured list, Bazzana is worth viewing as a top stash option in standard 12-team leagues.
Source: MiLB.com
Source: MiLB.com
Devin Williams Struggles Again on Thursday, Allows Three Hits and a Run
New York Mets closer Devin Williams struggled again on Thursday against the Twins, pitching the top of the ninth and going two-thirds of an inning while allowing three hits, one earned run, and striking out two to earn the win, albeit not pitching all that well. Williams, on the season, now owns a 10.29 ERA and 2.86 WHIP in nine appearances and seven innings pitched. While he does have a fantastic 31.7 percent strikeout rate, the control and overall dominance that he once had with the Milwaukee Brewers appear to be fading quickly. After a poor 2025 season with the Yankees (Career high 4.79 ERA), Williams signed with the Mets this past offseason, hoping for a fresh start, and things aren't getting any better for him with the Mets. Considering the 3-year, $51 million contract he signed with the Mets, it's likely Williams will have a longer leash than others, but he needs to turn it around quickly. Fantasy managers who drafted Williams, likely as a top closer, will need to hold on and hope he figures it out, as closers in the MLB are scarce right now with injuries and a lack of quality around the league.
Source: ESPN
Source: ESPN
Mickey Moniak Launches Two Long Balls, Entering Must-Start Territory
Colorado Rockies outfielder Mickey Moniak had a fantastic day at the plate on Thursday in the Rockies' 10-8 loss to the San Diego Padres. Moniak went 4-for-5 with three runs scored, two RBI, and two home runs. Moniak is now slashing .324/.347/.740 on the season with eight home runs, 15 RBI, 14 runs scored, and one stolen base. Additionally, he is seeing everyday playing time in the Rockies' lineup and batting near the top. While Moniak is a career .247 hitter with a .743 OPS, last season, which was his first with the Rockies, he had a career-high .824 OPS and 24 home runs, while hitting .270. Moniak has now put together a very solid sample size in a Rockies uniform over the past two seasons, having played in 154 games, hitting 32 home runs, and recording 139 hits over 502 at-bats (.276 average). With this type of production, Moniak has entered must-start territory, especially when he is playing at Coors.
Source: ESPN
Source: ESPN
Payton Tolle Strikes Out 11 in Season Debut, a Must-Add off the Waiver Wire
Boston Red Sox 23-year-old second-round pick in 2024 out of TCU, Payton Tolle, was fantastic in his 2026 MLB debut against the division-rival New York Yankees. Tolle toed the rubber in the third game of the series in Fenway, and showed the world why he is the No. 1-ranked prospect in the Red Sox's organization and 15th overall according to MLB's Top 100 Prospects. Over six innings of work, he allowed three hits, one earned run, one walk, and had eleven strikeouts with 18 whiffs and a 38 percent CSW rate (Called Strikes + Whiffs). Additionally, Tolle hit 99.5 mph on the radar gun. Unfortunately, the Red Sox would end up losing the game 4-2, but not by a lack of effort from Tolle. Fantasy managers who were proactive on the waiver wire may have found themselves a potential league winner off the waiver wire. If still available, Tolle is a must-add in all formats, and fantasy managers should be prepared to spend FAAB dollars to get him.
Source: RotoBaller
Source: RotoBaller
Cade Cavalli Punches Out 10 in Impressive Outing, Worth a Pickup?
Washington Nationals starting pitcher Cade Cavalli looked sharp on the mound during Thursday's outing against the Atlanta Braves. The right-hander tossed five innings, allowing two earned runs on five hits, while striking out 10 batters. He came out for the sixth inning, but was pulled after allowing a leadoff single. It didn't take long for the Nats' bullpen to blow this game, which will keep Cavalli out of the win column. The biggest problem for the right-hander this season has been an inability to work deep into games. Cavalli has only pitched into the sixth inning once in six starts. He'll take a 4.01 ERA, 1.66 WHIP, and a 28:18 K:BB ratio into his next outing against the New York Mets. He'll offer some streaming appeal against the struggling Mets offense.
Source: mlb.com
Source: mlb.com
Abner Uribe Takes Loss on Thursday, Remains Volatile Fantasy Asset
Milwaukee Brewers relief pitcher Abner Uribe has seen better days after struggling during Thursday's appearance. The right-hander was called upon in a tie game in the ninth inning on Thursday. Uribe was able to record one strikeout before allowing a walkoff home run to Spencer Torkelson. Before this, Uribe was looking sharp with two saves in his last three appearances ahead of Thursday's game. Trevor Megill pitched a scoreless seventh inning, but holds an 8.00 ERA on the season. Angel Zerpa blew the lead on Thursday and owns a 6.00 ERA so far this year. Uribe should remain the favorite for saves in Milwaukee going forward.
Source: mlb.com
Source: mlb.com
Trevor Megill Pitches in Seventh Inning, Trending in Wrong Direction for Saves?
Milwaukee Brewers relief pitcher Trevor Megill could be trending in the wrong direction as a saves candidate. The right-hander has four saves on the season, but isn't always tasked with pitching in the final frame. On Thursday, Megill came into the game in the seventh inning and picked up his third hold of the year. He tossed a clean inning, but Angel Zerpa coughed up the lead in the next inning. The scoreless inning from Megill is positive, but that doesn't erase his 9.00 ERA through eight innings in 2026. Abner Uribe appears to be the player the Brewers plan to lean on in the ninth inning right now. Megill isn't a must-roster player until he can fully claim the ninth-inning role.
Source: mlb.com
Source: mlb.com
Ben Brown Stands as Potential Saves Candidate
Chicago Cubs relief pitcher Ben Brown is likely going to be the next man up for saves in Chicago. The Cubs are already without multiple key arms in the bullpen, and likely lost another on Thursday. Southpaw Caleb Thielbar (hamstring) was forced to make an early exit from Thursday's win over the Philadelphia Phillies. The team is calling it left hamstring tightness, so it's unclear if Thielbar will require a trip to the Injured List. Given all the injuries, Brown is likely going to be the next man up, assuming Thielbar misses time. Fantasy managers looking for a source of saves might want to consider adding Brown. The right-hander only has one career save, but certainly has the stuff on the mound to succeed as a closer.
Source: Baseball Reference
Source: Baseball Reference
