Kansas City Royals slugger Jac Caglianone and Boston Red Sox star Willson Contreras have officially committed to participate in the upcoming 2026 MLB Home Run Derby, set to take place at Citizens Bank Park. This year’s derby will feature them among an evolving list of participants, with four spots still open as anticipation builds for the event. Caglianone, a former Florida standout, is making his debut in the derby, while Contreras will be the first Red Sox player to compete in 15 years, adding to the excitement surrounding this annual celebration of power hitting in Major League Baseball.