Toronto Blue Jays first baseman Spencer Horwitz reaches for an infield grounder during a Sept. 21, 2024 MLB regular-season game against the hometown Tampa Bay Rays in St. Petersburg, Florida.

The Pittsburgh Pirates have had a revolving door at first base since trading Josh Bell in December 2020, with four different player at the position on opening day the past four years. Newcomer Spencer Horwitz will have a chance to provide some stability.