St. Louis
RHP Matt Pushard
Injury: Right knee patellar tendinitis
IL date: March 30 (15-day IL)
Expected return: TBD
Status: Threw a scoreless two-thirds of an inning with two walks for Triple-A Memphis on April 18 in his second rehab outing. (Updated: April 19)
RHP Hunter Dobbins
Injury: Torn right ACL
IL date: March 25 (15-day IL, retroactive to March 2)
Expected return: TBD
Status: Made third rehab start for Triple-A Memphis on April 14, striking out four batters over five innings of one-run baseball against Gwinnett. (Updated: April 17)
OF Lars Nootbaar
Injury: Surgery on both heels
IL date: March 25 (60-day IL)
Expected return: TBD
Status: Underwent surgery last October to address Haglund’s deformities in both heels. Started his running progression on March 20, but no date has been set for a return to the lineup. (Updated: March 21)
Miami
SS Aiva Arquette (Marlins' No. 4 prospect, No. 42 overall)
Injury: Core muscle surgery
Expected return: Early/mid April
Status: Underwent core muscle surgery on Feb. 27. Sustained left groin injury during offseason workouts. Rested before arriving in Jupiter, where it flared up again. (updated: Feb. 28)
OF Esteury Ruiz
Injury: High-grade left oblique strain
Expected return: Late April/early May
Status: Has played two games since beginning a rehab assignment with Triple-A Jacksonville on April 15. (updated: April 18)
INF Maximo Acosta
Injury: Grade 1 left oblique strain
Expected return: Late April/early May
Status: Has played two games since beginning a rehab assignment with Triple-A Jacksonville on April 15. (updated: April 18)
1B Christopher Morel
Injury: Left oblique strain
Expected return: Mid-May
Status: Close to a rehab assignment, according to manager Clayton McCullough. Rehabbing in Jupiter, Fla. Initial timeline of 4-6 weeks after being placed on IL on March 28 (retroactive to March 25). (updated: April 17)
OF Griffin Conine
Injury: Left hamstring tear
Expected return: June
Status: Will undergo left hamstring tendon excision week of April 13. Placed on IL on April 10. Felt discomfort after making diving attempt during Marlins' win over Reds on April 9. (updated: April 11)
RHP Adam Mazur
Injury: UCL reconstruction with an internal brace (hybrid)
Expected return: 2027
Status: Placed on 60-day injured list on March 25. Underwent surgery, which has a recovery period of 13-14 months, on March 11. Experienced the discomfort on a pitch during his March 2 outing. (updated: March 25)