Conversation so far:
How did Dizzy Dean get injured in 1937?
While pitching in the 1937 All-Star Game, Dean fractured his toe from a line drive.
Could Dizzy Dean not recover from his toe fracture to continue playing?
Coming back too soon from the injury, Dean changed his pitching motion and he hurt his arm, losing his great fastball.
How long did Dizzy Dean come back for after the injury?
By 1938, Dean's arm was largely gone.

Question: How did this effect him?
Self-contained rewrite: How did this effect Dizzy Dean?