Conversation so far:
What were some of Fred Lynn's baseball stats?
In Fred Lynn's 17-year career, Lynn batted .283 with 1,111 RBIs, 1,960 hits, 1,063 runs, 306 home runs, 388 doubles, 43 triples, and 72 stolen bases in 1969 games.
Are there any other interesting aspects about Fred Lynn's baseball career?
Fred Lynn's 306 career home runs place him, through the end of the 2017 seasons, in 13th place among center fielders.

Question: What positions did he play during his career?
Self-contained rewrite: What positions did Fred Lynn play during his baseball career?