Conversation so far:
When did Clemens play with the Red Sox?
1986.
How did he perform during the 1986 season?
The 1986 ALCS clincher was Clemens' first postseason career victory.
He did not win his second until 13 years later.
Did he play in the world series?
After a bad start in Game 2 of the 1986 World Series, Clemens returned to the mound for Game 6.

Question: How did he perform in game 6?
Self-contained rewrite: How did Roger Clemens perform in game 6?