Top-5 MLB Pitching Prospects To Stash For Fantasy Baseball Redraft Leagues - Week 22 (2025)

Andy's top pitching fantasy baseball prospects to stash for Week 22 (2025). His MLB prospects to pick up and stash on your bench and N/A spots in redraft leagues.

Welcome back to our top starting pitcher fantasy baseball prospects to stash for Week 22 of the 2025 MLB season. This past week, we saw Bubba Chandler finally get the call to join the major leagues and Mick Abel make his Twins debut.

In this week's edition, we will have a few new names join the list, including a budding star in Toronto.

Below are the top pitching prospects to stash leading up to Week 22 of the 2025 MLB season.

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Andrew Painter, Philadelphia Phillies

Currently At Triple-A
15% rostered

Once again, sitting in the top spot on the pitcher stash list is Andrew Painter of the Philadelphia Phillies. After having a few rough outings to open August, Painter was able to find some success in his most recent start. On August 22, Painter tossed five innings of one-run ball against Durham. In this outing, the right-hander allowed only four hits.

He struck out five but showed weak command again, serving up four free passes.

Nonetheless, this was a step in the right direction, as Painter held a hefty 6.37 ERA, 1.54 WHIP, and a 37:16 K:BB over his last 41 innings of work at Triple-A Lehigh Valley.

Overall, Painter has struggled to find much consistency during his first taste of Triple-A this season, logging 86 1/3 innings to the tune of a 5.11 ERA and a 1.48 WHIP. However, he opened the campaign at Low-A and showed high upside, posting a 12:1 K:BB with only five runs through 11 2/3 innings.

While his box score at Triple-A may not be too impressive, Painter's primary focus this season was increasing his workload, especially after missing all of 2023 and 2024 recovering from Tommy John.

In the 2022 season, Painter emerged as one of the top prospects in all of baseball, tossing 103 2/3 innings of work to the tune of a 1.56 ERA and a stellar 0.86 WHIP. During this stretch, the former first-round pick held a 155:25 K:BB.

With Zack Wheeler (shoulder) being ruled out of the remainder of the season, Painter should be in the mix to join the Phillies in the near future to bolster their pitching staff for the playoffs. Despite his recent struggles, he should be well-positioned to rack up strikeouts when he reaches Philadelphia.

5 strikeouts across 5 innings of one-run ball for Andrew Painter #RingTheBell | #Phillies
pic.twitter.com/FK0uvmh6Hr

— The Liberty Line (@LibertyLinePHL) August 24, 2025

Robby Snelling, Miami Marlins

Currently At Triple-A
10% rostered

After typically sitting much lower on this list over the past few weeks, due to recent promotions, the Miami southpaw has now climbed to the No. 2 spot. Over the last two months, Snelling has been one of the most dominant pitchers in the minor leagues.

Since June 18 (39 2/3 innings), the left-hander has posted an eye-catching 1.59 ERA with a 0.91 WHIP. During this stretch at Triple-A, the southpaw has struck out 45 hitters and allowed only seven walks and four long balls. In fact, these 39 2/3 innings were Snelling's first innings at Triple-A this season, as he began the campaign with Double-A.

Before this dominant run, Snelling posted a 3.61 ERA with a 0.98 WHIP across 72 1/3 innings at Double-A Pensacola. He flashed high strikeout upside there as well, racking up 85 while walking only 22 batters.

Given his sheer dominance since the start of July, the 21-year-old has entered high-priority stash territory.

While Ryan Gusto was called on to replace the recently waived Cal Quantrill, given Snelling's proven production at Triple-A, expect the Marlins to turn to their budding ace in the near future.

Robby Snelling looked dominant again tonight in Triple-A.

I'd be shocked if he doesn't get a cup of coffee with the Marlins this season.#MarlinsBeisbolpic.twitter.com/IBuvKA1aG8

— Eric Cross (@EricCrossMLB) August 22, 2025

Brandon Sproat, New York Mets

Currently At Triple-A
1% rostered

Even though Nolan McLean was given the call before Brandon Sproat, he still remains a solid stash option in deeper 12+ team formats. After allowing nine runs in his first two starts in August, the right-handed pitcher enjoyed a much-needed bounce-back showing on August 19.

Facing Triple-A Indianapolis, the Florida product logged six innings of one-run ball with just two hits and an 8:1 K:BB. Sproat enjoyed similar success before his rough two-game skid, where he posted a near-perfect 0.55 ERA and a 0.82 WHIP across 33 innings of work from June 28 through July 31.

While the 24-year-old's overall 4.24 ERA and 1.23 WHIP do not seem overly impressive, his ratios were inflated by a high rough start when he allowed 44 earned runs across his first 63 innings of the season.

While the Mets now have a five-man rotation with McLean taking complete control of a spot, Sproat still has a viable path to join the MLB roster in the near future. Currently, their No. 5 option, Clay Holmes, has struggled to go deep into games and is showing signs of wearing down.

Before logging a quality start on August 23, Holmes's last quality start came on June 1. With the Mets in the heat of the playoff race, do not be surprised if Sproat is promoted to help ease Holmes during the stretch run. On Sunday, he made a scheduled appearance out of the bullpen, further solidifying his role in the majors.

BREAKING: The Mets are shifting Brandon Sproat from the Triple-A rotation to the bullpen for the rest of the season. #LGM

➡️ Expect Sproat in Queens by Sept. 1 when rosters expand
➡️ Jonah Tong could also be called up within 2 weeks pic.twitter.com/FWg7kiTvgB

— MetCast (@MetCastPod) August 24, 2025

Trey Yesavage, Toronto Blue Jays

Currently At Triple-A
1% rostered

The 20th overall pick in last year's MLB Draft made his professional debut this season with Low-A and has already reached Triple-A and is now knocking on the MLB door. Yesavage looked nothing short of dominant in the lower levels of the Toronto system, where he posted a 2.13 ERA, 0.85 WHIP, and an 88:19 K:BB through 50 2/3 innings split between Low-A and High-A.

At Double-A, Yesavage took a bit of a step back, holding a 4.50 ERA with a 1.07 WHIP across eight appearances (30 innings). However, during this stint, Yesavage continued to rack up strikeouts, tallying 46 over this stretch.

In his Triple-A debut on August 14, Yesavage struggled, lasting just 1 2/3 innings and allowing two runs and four walks. Fortunately, the budding ace was able ot bounce back quite nicely in his second start with Buffalo, tossing 4 2/3 innings of three-run ball with eight strikeouts and only two walks.

With Shane Bieber's return to the Toronto rotation, the team now boasts a full six-man rotation. Given his rapid ascent through the system, Yesavage could be the missing piece for a team aiming to compete in October. Even if he gets the call as a long reliever, he could still hold value, like Chandler showed in his long-relief debut.

Trey Yesavage was dominant in AAA today as he struck out 8 over 4.2 IP. His high riding fastball continues to exhibit elite iVB with the MLB ball and his changeup returned a bonkers 72.7 Whiff% https://t.co/mU1mqSuBDy pic.twitter.com/5lne2Poy1d

— Thomas Nestico (@TJStats) August 21, 2025

Quinn Mathews, St. Louis Cardinals

Currently At Triple-A
1% rostered

Rounding out this week's column will be the top pitching prospect in St. Louis, Quinn Mathews. The left-hander was a popular name in my stash piece earlier in the season, but he suffered a shoulder injury, which kept him on the shelf for over a month.

When he did return from his injury, Mathews struggled to command his pitches, which was why he seemed far from his MLB debut. However, the former fourth-round pick has begun to turn the corner and is quickly approaching his MLB debut.

Since allowing four walks on July 26, Mathews has gone on to log 21 2/3 innings (four starts) to the tune of a 2.91 ERA and a strong 1.02 WHIP. During this stretch, the left-hander has struck out 30 batters and only walked six. During his previous 30 1/3 innings of work, Mathews walked a hefty 30 batters and only struck out 38.

With the Cardinals remaining afloat in the NL Wild Card race, Mathews could provide a much-needed spark to the back-end of their rotation, which has not found much success of late. Given his recent turnaround, he is a solid stash option in deeper draft leagues this week.

Quinn Mathews' final line:

5 IP, 3 H, 2 ER, BB, 5 K

Mathews had a solid start overall, but more importantly, he continues to show progress in limiting walks. In three of his last four outings, he has issued just one walk apiece. pic.twitter.com/fQU0fL9DFO

— Kareem Haq (@KareemSSN) August 20, 2025

Other Prospects To Consider Stashing

• Hunter Barco, PIT
• Payton Tolle, BOS
• Noah Schultz, CWS

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