Conversation so far:
when did Andrés Galarraga become national league batting champion?
Andrés Galarraga became National League batting champion in 1993.
what were some of Andrés Galarraga's injuries?
Andrés Galarraga has suffered a knee injury, a strained left hamstring, and has fought lymphatic cancer.

Question: who did he play for?
Self-contained rewrite: who did Andrés Galarraga play for?