Marin, who served as the Pirates' pitching coach from 2020-25, will take over for Matt Tracy, who's moved from bullpen coach to assistant pitching coach. Last year's assistant pitching coach, Simon Mathews, was hired away as the Nationals' new pitching coach earlier this week. Marin broke into pro ball back in 2010 with the Rangers, working as a coach and assistant in their minor league ranks for seven years.
Ethan Katz's ability to communicate and simplify complex problems makes him a highly respected pitching coach, crucial in managing young pitchers' workloads as the season progresses.