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Three top fantasy baseball prospects - Kade Anderson, Edwin Arroyo, Jett Williams - that can make big impacts. These MLB prospects are waiver wire pickups or stashes.
Finding high-end prospects in the minor leagues before their MLB debuts can not only save your fantasy team a lot of FAAB budget, but also potentially give you a league-winner.
Below, we will look at three of the top prospects to stash in fantasy baseball, including two of the game's breakout hitters at the Triple-A level.
Should fantasy managers stash these high-end prospects? Let's dive in!
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Kade Anderson, SP, Seattle Mariners
Current Level: AA
Availability: 5% rostered
2026 AA Stats: 44 IP, 1.43 ERA, 0.75 WHIP, 67 SO, 7 BB
When looking for pure upside on a per-game basis, Anderson should be your top stash target. However, as we will explain below, his path to the big leagues is less clear than Ryan's, which hurts his redraft value.
Currently, Anderson has been nothing short of incredible in his first taste of professional ball since joining the Mariners. The Mariners selected the left-hander out of LSU with the third pick in last year's MLB Draft. Despite not pitching in a professional league following the draft, the Mariners sent their top-ranked prospect directly to Double-A Arkansas.
In this first stint, the left-hander has done more than hold his own, making nine starts (44 innings) while posting an incredible 1.43 ERA and a 0.75 WHIP. During this stint, Anderson has managed to rack up 67 punchouts while walking just seven total hitters.
However, among these nine starts, the left-hander endured a five-run implosion on May 15, which has greatly affected his ratios. Removing this lone outlier showing (in relation to his other dominant showings), Anderson has been borderline unhittable at Double-A, logging 40 innings with a 0.45 ERA and a 0.68 WHIP.
Unfortunately, while Anderson may have already earned the call if he were on other systems, pitching for the Seattle Mariners has significantly limited his short-term value. Currently, the MLB roster has a surplus of starting pitchers as it recently moved Luis Castillo and Bryce Miller to a "Co-No.5/6 starters" role, as they have each served as long relievers in their two recent outings.
Despite this, if one of them were to go down with an injury, Anderson's path could become clear immediately. Given how sharp he has looked at Double-A, the Mariners may not even need to send him to Triple-A before earning the call. The promotion could be quick, so managers searching for a potential lottery ticket should prioritize the left-hander this week.
4th straight strikeout for Kade Anderson. pic.twitter.com/5zgiClXBPq
— Mariners Minors (@MiLBMariners) May 8, 2026
-Written by Andy Smith
Edwin Arroyo, SS, Cincinnati Reds
Current Level: AAA
Availability: 5% rostered
2026 AAA Stats: 53 G, .323/.383/.562, 9 2B, 11 HR, 9 SB
Arroyo was originally selected by the Mariners in the second round of the 2021 MLB Draft. Seattle drafted him out of high school and gave him a $1.65 million signing bonus to forego his commitment to Florida State. He was traded to the Reds in 2022 as part of the return package for Luis Castillo.
The 22-year-old is a versatile defender capable of playing shortstop, third base, or second base. At the plate, he's tapping back into the upside that he possessed prior to an injury that sidelined him for 2024. He's launching the ball more, and in turn, he's hitting fewer weak ground balls. He also has decent speed, which benefits him in the field and on the basepaths.
Arroyo's exit velocities rank above average, but we're most impressed by his in-zone metrics. He has a 75.5% zone swing rate (89th percentile) and a 90.1% zone contact rate (87th percentile). He does chase a lot, but he still finds a way to get his bat on the ball, resulting in a 20% whiff rate (83rd percentile).
We're very impressed by the blend of power and speed that Arroyo has displayed at Triple-A this year. Just one step away from the majors, he has proven to be an above-average contributor on offense. Meanwhile, his defensive versatility allows him to get into the lineup as much as possible. He's still available in 95% of leagues, making him a very intriguing stash in redraft formats.
- Written by Andersen Pickard
Jett Williams, INF, Milwaukee Brewers
Current Level: AAA
Availability: 5% rostered
2026 AAA Stats: 54 G, .230/.350/.368, 7 2B, 5 HR, 12 SB
The Brewers got Williams in the Freddy Peralta trade with the Mets, so they clearly have high hopes for him. Williams is slashing .230/.350/.368 with five home runs and 12 stolen bases in 231 plate appearances at Triple-A. While those are underwhelming surface stats, Williams still has an impressive 14.3% walk rate while limiting his strikeout rate to 21.6%.
Jett Williams WALKS IT OFF for the Triple-A @nashvillesounds!
The @Brewers' No. 3 prospect goes the other way on his third home run of the year💪 pic.twitter.com/f6sfaQxtoz
— MLB Pipeline (@MLBPipeline) April 30, 2026
This is a 22-year-old shortstop who hit 17 homers and stole 34 bases across all minor-league levels, so it's a strong fantasy profile. The Brewers continue to go with Joey Ortiz at shortstop. While he's a good defender, the bat has been absolutely abysmal, as highlighted by a 58 wRC+.
If Ortiz continues to struggle at the plate, the Brewers could give Williams a chance. At that point, Williams has the ability to take the job and run with it. If you're looking for some power and speed from a middle infielder, Williams makes a lot of sense.
The only issue is that the Brewers are rolling right now, so we may need to be a bit patient with them as we wait for Williams to get called up.
2026 Prospect Fantasy Baseball Redraft Stash Rankings
Who are the top fantasy baseball prospects to know? Check out our latest 2026 prospect fantasy baseball rankings which are updated regularly by Eric Cross:
Promoted Last Week: Colt Emerson (SEA), Jonah Tong (NYM), Jhostynxon Garcia (PIT), Gabriel Gonzalez (MIN), Pedro Ramirez (CHC), Kevin Alcantara (CHC), Esmerlyn Valdez (PIT)
Honorable Mentions (Hitters): Lazaro Montes (SEA), Harry Ford (WAS), Ryan Clifford (NYM), Zac Veen (COL), Deyvison De Los Santos (MIA), Hector Rodriguez (CIN), Blaze Jordan (STL), Jacob Melton (TBR), James Tibbs III (LAD), Michael Arroyo (SEA), Jonathon Long (CHC), Joshua Kuroda-Grauer (ATH)
Honorable Mentions (Pitchers): Hagen Smith (CHW), Brody Hopkins (TBR), Jack Wenninger (NYM), Hunter Barco (PIT)
| Rank | Player | Position | Team | ETA |
| 1 | Kaelen Culpepper | SS | Twins | June |
| 2 | Kade Anderson | SP | Mariners | August |
| 3 | Edwin Arroyo | 2B/SS | Reds | June |
| 4 | River Ryan | SP | Dodgers | June |
| 5 | Jett Williams | SS/OF | Brewers | June |
| 6 | Gage Jump | SP | Athletics | NOW |
| 7 | Max Clark | OF | Tigers | August |
| 8 | Braden Montgomery | OF | White Sox | July |
| 9 | Luis Lara | OF | Brewers | June |
| 10 | Charlie Condon | 1B | Rockies | July |
| 11 | Cooper Pratt | SS | Brewers | July |
| 12 | Joshua Baez | OF | Cardinals | July |
| 13 | Jacob Gonzalez | SS | White Sox | June |
| 14 | Thomas White | SP | Marlins | July |
| 15 | Walker Jenkins | OF | Twins | August |
| 16 | Elmer Rodriguez | SP | Yankees | July |
| 17 | Cole Carrigg | OF | Rockies | June |
| 18 | Yohandy Morales | 1B/3B | Nationals | June |
| 19 | Carlos Lagrange | SP | Yankees | July |
| 20 | Ralphy Velazquez | 1B | Guardians | August |
| 21 | Spencer Jones | OF | Yankees | July |
| 22 | Aidan Miller | SS | Phillies | August |
| 23 | Jaxon Wiggins | SP | Cubs | July |
| 24 | Kemp Alderman | OF | Marlins | July |
| 25 | Jordan Lawlar | INF/OF | Diamondbacks | July |
Who Should I Pickup Fantasy Baseball Tool
Trying to decide who to pick up off the waiver wire? Check the Who Should I Pickup tool:
Compare up to four players and we'll tell you who to pickup...
2026 Player Decisions. Looking to pick up someone else instead? Today's focus is on specific players like Kade Anderson, Edwin Arroyo, Jett Williams, Jacob Latz, Rico Garcia, Colt Emerson, Ryan Waldschmidt, Kaelen Culpepper, Dylan Crews, Travis Bazzana. These are some common searches for 2026 fantasy baseball waiver wire pickups.
Using The Tool. This is a simple tool but very powerful. The first step is to enter the player names that you want to compare. In the first box, search for the first player's name. In the second box, search for the second player's name. Compare up to four MLB players at once, and then click the Who To Pickup? button to see who the recommended waiver wire pickups are based on fantasy baseball rankings, projections, and more.
Improvements For Who Should I Pickup? You may have noticed, our Who Should I Pickup? tool has gotten an overhaul. We've added lots of great features for you to give you as much information as possible to win on the waiver wire in 2026. You'll see MLB player tiles with stats, projections, and a slick new interface. We hope you enjoy!
How It Works. Our RotoBaller staff puts together their weekly fantasy baseball waiver wire rankings and projections based on their research, and updates them constantly throughout the week. That information is the core data that is powering the decision-making in this tool. When you search for player names, you will only see those players who are ranked.
Popular Player Comparison Searches - Who To Pickup
Looking to pick up someone else instead? Below are some popular searches and comparisons from our Who To Pickup tool for 2026 for players like Kade Anderson, Edwin Arroyo, Jett Williams, Jacob Latz, Rico Garcia, Colt Emerson, Ryan Waldschmidt, Kaelen Culpepper, Dylan Crews, Travis Bazzana:
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