Complex sentence: He also pitched a complete game victory in Pittsburgh in Game 3 of the World Series that year and, despite taking the loss in Game 7 of that series, yielded only 2 runs in 8 innings to Willie Stargell and the eventual champion Pirates.
Split into simpler sentences: He also pitched a complete game victory in Pittsburgh in Game 3 of the World Series. Despite taking the loss in Game 7, McGregor yielded only two runs in 8 innings to Willie Stargell and the eventual champion Pirates.