Fantasy Baseball: Top Waiver Wire Picks for May 21st (2026)

Fantasy baseball is a thrilling pursuit, and the waiver wire is where the real magic happens. It's the place to find hidden gems, undervalued talents, and potential breakout stars. This article delves into the latest waiver wire picks, offering a comprehensive guide to help you build a championship-winning roster. From top priority additions to deep league gems, we'll explore the players who could make a significant impact on your fantasy baseball journey.

Top Priority Players to Add

Carson Benge (NYM)

Benge, a rookie outfielder, has been a revelation for the Mets. His recent hot streak is impressive, with multi-hit games in six consecutive starts as the leadoff hitter. With a solid .265/.321/.368 slash line and a low strikeout rate, Benge is a must-add for those seeking a reliable bat. His potential as a stolen base threat and his ability to contribute across the board make him a valuable asset.

Griffin Jax (TB)

Jax, a reliever-turned-starter, showcased his command against the Orioles. Despite a short leash, his ability to hold opponents to one earned run and strike out six batters in five innings is encouraging. With a 35% strikeout rate as a reliever, Jax could be a valuable contributor, especially in deeper leagues.

Daulton Varsho (TOR)

Varsho's approach has evolved this season, with a more balanced strikeout rate and a lower pulled flyball rate. His .278 batting average and .272 xBA suggest a solid foundation for a standard-league asset. Expect 20-25 home runs and 15 steals, making him a valuable middle-of-the-order hitter.

Zack Gelof (ATH)

Gelof's strikeout rate has improved significantly, and his .266/.317/.500 slash line with six home runs and four steals is impressive. With a high chase rate, Gelof has the potential to be a valuable contributor, especially in deeper leagues.

Yahoo and ESPN Most Added Players

Jesse Scholtens (PIT)

Scholtens has been a consistent performer, earning wins as an opener and behind Steven Matz. His ability to consistently deliver solid outings makes him a valuable addition, especially in deeper leagues.

Keibert Ruiz (CIN)

Ruiz, a switch-hitter, has hit three homers since May 7th. While his 84 wRC+ over 1,945 career PAs is modest, he can be a decent stopgap for those in need of a catcher.

Jake Bauers (NYY)

Bauers' strikeout rate has dropped significantly, and his ability to hit for average and power makes him a valuable platoon bat. He's a good fit for daily leagues with big benches.

Zach Thornton (NYM)

Thornton, a 23-year-old left-hander, features a five-pitch mix with a low-90s fastball. His above-average IVB and 18.5% K-BB% make him a promising prospect.

Ivan Herrera (CIN)

Herrera's .808 OPS is impressive, ranking fourth among qualified catchers. His ability to contribute across the board makes him a must-own player.

Streaming Pitchers

Dustin May (STL)

May has been consistent, with four consecutive QS, but his strikeout rate could be higher. He's a solid streaming option against the Pirates.

Trevor McDonald (SF)

McDonald held the A's to one earned run in his last start. He's a good option for those seeking a streaming pitcher, especially if he retains his spot after Webb's return.

Deep League Players to Watch

Daniel Susac (SF)

With the Giants trading away Patrick Bailey, Susac has seen increased playing time. His .395 batting average and 16.9% K rate make him a valuable addition in two-catcher leagues.

Mickey Gasper (BOS)

Gasper, a switch-hitter, has vaulted into the two-spot in Boston's lineup due to an injury. His .355 batting average and 15.6% K rate make him a hidden gem in two-catcher leagues.

In conclusion, the waiver wire is a treasure trove of potential, offering a chance to find undervalued talents and build a competitive roster. These picks provide a starting point for your fantasy baseball journey, and with careful consideration, you can find the perfect additions to take your team to the next level.

Fantasy Baseball: Top Waiver Wire Picks for May 21st (2026)
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