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Ranking rookies who could make an impact in ’26 postseason

You don’t have to look too deep into Major League Baseball’s history to find rookies who made big impacts in the postseason. Just last year, Blue Jays righty Trey Yesavage set a World Series rookie record by striking out 12…

Published: Tuesday, 29 September 2026 at 5:08 PM
Ranking rookies who could make an impact in ’26 postseason
Key Things to Know
  • MLB Pipeline ranked the top 10 rookies positioned to make the biggest impacts during the 2026 postseason.
  • Cleveland Guardians left-hander Parker Messick took the number one ranking after posting a 2.56 ERA this season.
  • Boston Red Sox pitcher Payton Tolle and Milwaukee Brewers starter Logan Henderson were ranked second and third respectively.
The Story in 60 Seconds

MLB Pipeline ranked the top 10 rookies poised to make significant impacts during the 2026 postseason. Cleveland Guardians left-handed pitcher Parker Messick took the top spot following an outstanding campaign where he recorded a 2.56 ERA and 193 strikeouts. Boston Red Sox left-hander Payton Tolle and Milwaukee Brewers right-hander Logan Henderson rounded out the top three rankings ahead of their playoff appearances.

The rankings feature several key contributors across playoff rosters, including Braves reliever Didier Fuentes, Guardians outfielder Chase DeLauter, and Rays pitchers and position players Brody Hopkins and Victor Mesa Jr. Padres reliever Bradgley Rodriguez, alongside New York Yankees infield prospect George Lombard Jr. and outfielder Spencer Jones, also made the list as teams prepare for their postseason pushes.

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