Rotoworld’s 2025 Fantasy Baseball Injury Tracker provides updates on player injuries affecting fantasy leagues. Notable injuries include Ketel Marte's hamstring strain, Jordan Montgomery's Tommy John surgery, and Zack Gelof's hamate bone fracture. Other players like Spencer Strider, Reynaldo López, and Ronald Acuña Jr. are also dealing with various injuries impacting their playing time. Additionally, the article mentions injuries to players like Masataka Yoshida, Lucas Giolito, and Shane Bieber, affecting their availability for the season. Overall, the tracker highlights a range of injuries affecting fantasy baseball rosters in the 2025 season.