The Buffalo Bisons are the Triple-A affiliate of the Toronto Blue Jays. Buffalo is usually the final stop a player makes on his journey to the big leagues.
Toronto has several big-league-ready prospects waiting with the Bisons. These players won’t necessarily become baseball betting favourites for Rookie of the Year at the BetMGM online sportsbook, but they could have a significant impact on the 2026 Blue Jays.
Top Blue Jays Triple-A Prospects
Ricky Tiedemann
Despite pitching 61.1 innings since the start of the 2023 season, Ricky Tiedemann remains Toronto’s fifth-ranked prospect per MLB Pipeline.
Tiedemann, after spending all of last year recovering from Tommy John surgery, felt elbow soreness when ramping up for spring training. He’s yet to make his 2026 debut, but he will slot into the Triple-A rotation when he does.
A true three-pitch guy with a big fastball backed up by a slider and changeup, Tiedemann still has ace-level upside if he can get and stay healthy.
Josh Kasevich
Injuries kept Josh Kasevich to only 42 games in 2025, but he’s healthy at the start of 2026 and seems to have made progress offensively.
The contact-hitting skill has never been in question. Kasevich’s challenge has been turning those bat-to-ball skills into power and making sure he elevates the ball sufficiently.
The Blue Jays project Kasevich as a shortstop at the big-league level, though there’s a good chance he will end up at second or third.
RJ Schreck
RJ Schreck excelled at Double-A in 2025, earning a promotion to Triple-A in the second half. After playing 58 games for the Bisons, Schreck is within touching distance of the majors.
Toronto believes Schreck can handle all three outfield spots defensively. He walked in more than 16% of his plate appearances last year and has hit 35 home runs over the last two campaigns.
If his on-base skills translate to the majors, Schreck projects to be a very productive big-league ballplayer.
Charles McAdoo
Charles McAdoo didn’t have the best year in Double-A. The corner infielder posted a .732 OPS with 16 home runs in 121 games last year, but has still found himself in Buffalo to start the 2026 campaign.
This is a pivotal year for McAdoo. The raw power is there, as illustrated by his bat speed, but his defence is a work in progress at third base. He needs to prove he can handle an outfield corner with first base occupied on the big-league team.
If he begins driving the ball more consistently, the former 13th-round pick could find himself on the Blue Jays before the All-Star break.
Adam Macko
Adam Macko’s numbers in 2025 weren’t all that impressive, with an ERA above five and only a 10.1% K-BB%. Macko has a low-90s fastball with a curveball and slider and pitched for Canada in the World Baseball Classic.
The stuff is solid, but the left-hander needs to improve his command if he’s to get a long-awaited big-league opportunity in 2026.
Buffalo continues to use Macko in a bulk role so he can work on all three of his pitches. He’s already on the 40-man roster, so there’s a good chance he gets a call-up if the Jays find themselves short on southpaw relievers.
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