Conversation so far:
what happened in 1972 to willie mays?
Mays was traded to the Mets.
why was he traded?
Giants franchise was losing money.
Owner Horace Stoneham could not guarantee Mays a pension after retirement and the Mets offered Mays a coaching position upon his retirement.

Question: what position did he play?
Self-contained rewrite: what position did Willie Mays play?