Conversation so far:
When did reggie join the minor leagues?
In the 1966 Major League Baseball draft on June 7.
who did he play for?
Jackson played for two Class A teams in 1966, with the Broncs for just 12 games, and then 56 games with Modesto in the California League.
did he set any records?
CANNOTANSWER.
Was he ever injured?
CANNOTANSWER.

Question: When did he leave the minor league?
Self-contained rewrite: When did Reggie Jackson leave the minor league?