There weren’t many bright spots for the Oakland Athletics in 2023, but rookie second baseman Zack Gelof was the exception. Gelof didn’t make his major league debut until July 14 and led the Athletics with 2.9 fWAR despite playing in just 69 games. A strong start like that would lead you to wonder what his numbers might look like over a full season. Gelof is listed as the A’s potential breakout candidate in this feature by MLB.com.
You can almost classify what Gelof did in 2023 as a mini-breakout, when he received his first call to the big leagues in July and proceeded to hit .