Conversation so far:
What were Sam Thompson's career statistics?
Sam Thompson had a batting average of .331, 126 home runs, and 1,308 runs batted throughout his career.
Who did Sam Thompson play for in the MLB?
Sam Thompson played for Detroit Wolverines, Philadelphia Quakers / Phillies, and theDetroit Tigers throughout his career.

Question: What sport did he play?
Self-contained rewrite: What sport did Sam Thompson play?