Conversation so far:
How did Mickey Mantle do his rookie season
After a brief slump, Mantle was sent down to the Yankees' top farm team. However, he was not able to find the power he once had in the lower minors.
Did Mickey Mantle improve after his rookie season
Mantle broke out of his slump, going on to hit .361 with 11 homers and 50 RBIs during his stay in Kansas City.
Was Kansas City Mickey Mantle's first team?
Mantle began his professional baseball career in Kansas with the semi-professional Baxter Springs Whiz Kids.
What position did Mickey Mantle play
Yankees manager Casey Stengel decided to promote Mantle to the majors as a right fielder.
What else is important to know about Mickey Mantle's rookie year
Mantle tripped over an exposed drain pipe and severely injured his right knee.

Question: Did it keep him from playing?
Self-contained rewrite: Did Mickey Mantle's knee injury in his rookie season keep him from playing?