Musgrove underwent Tommy John surgery on his right elbow Friday, Dennis Lin of The Athletic reports.

General manager A.J. Preller said Friday that Musgrove (elbow) has a UCL injury in his right elbow and will require Tommy John surgery, Dennis Lin of The Athletic reports.

Padres manager Mike Shildt said Friday that Musgrove (elbow) will not pitch in the NLDS versus the Dodgers, AJ Cassavell of MLB.com reports.

Musgrove will undergo and MRI on his injured right elbow Thursday, Jeff Sanders of the San Diego Union-Tribune reports.

Musgrove did not factor into the decision in a loss to the Dodgers on Thursday, allowing two runs on five hits and one walk over 6.1 innings while striking out six.

Musgrove (6-5) earned the win over the Giants on Saturday, allowing three hits over six scoreless innings while striking out eight.

Musgrove (5-5) took the loss Sunday against the Giants, allowing six runs on eight hits and a walk while striking out seven over 4.1 innings.

Musgrove allowed one run on three hits and two walks while striking out six over 4.1 innings in a no-decision versus the Rockies on Sunday.

The Padres activated Musgrove (elbow) from the 60-day injured list Monday.

Musgrove (elbow) will not rejoin the Padres' rotation this weekend in Miami as previously anticipated, Jeff Sanders of The San Diego Union-Tribune reports.