Cardinals placed C Brayan Pena on the 15-day disabled list with left knee inflammation.
Brayan Peña announced on Twitter that he plans to join the United States Army Reserve this offseason.
Cardinals activated C Brayan Peña from the 15-day disabled list.
Brayan Peña (knee) is expected to be activated from the disabled list on Tuesday.
Brayan Pena (knee) has been excused from his rehab assignment due to a personal matter.
Brayan Peña (knee) will begin a rehab assignment at Double-A Springfield on Tuesday.
Brayan Peña (knee) hit off a tee Friday and ramped up his running on a treadmill.
Brayan Pena (knee) expects to resume most baseball activities next week.
Brayan Pena underwent surgery Tuesday to remove loose cartilage from his left knee.
Cardinals placed C Brayan Pena on the 15-day disabled list with loose bodies in his left knee.
Brayan Pena is currently dealing with a knee injury and could be forced to begin the season on the disabled list.
Brayan Peña (arm) had one hit in two at-bats in his return to the lineup Saturday.
Brayan Peña (arm) will play catch from 120 feet on Friday.
Brayan Pena will sit out Thursday's game against the Tigers because of arm tightness.