Hitting
The book on Mayer is that you can knock the bat out of his hands with an average major league fastball. Mayer always has been a line-drive hitter who uses the entire field. He hits righthanders and lefthanders with equal consistency.
Baserunning & Defense
Mayer doesn't have great speed, though he reads righthanders' moves well enough to steal a handful of bases each season without getting caught very often. When you play Mayer you're not putting him in for his glove. His arm is accurate enough.
2025 Outlook
One has to wonder what Jim Mayer is doing in AA. In all honesty, he could use a lot of work on the fundamentals in the low minors.
-- Emu Nyman, AA/AAA Scout