Jacob deGrom talks 2021 season-ending injury

NEW YORK — When Jacob deGrom walked off the mound on the afternoon of July 7, there was little reason to suspect he would not pitch again that season. Privately, deGrom harbored some concern about his right forearm, which felt unusually fatigued. But even deGrom figured he would rest over the All-Star break and resume his historic campaign in the second half.

https://www.mlb.com/news/jacob-degrom-talks-2021-season-ending-injury