And his nickname is Goose. The man belongs in the Hall of Fame.
I was going to write all about this, with stats and arguments and stuff, but The Pinstriped Bible has already done so, far better than I would have.
For those of you too busy to click through the link, I call out a single sentence, which, in itself, says a lot about Gossage and about the usage of relievers before the days of hyperspecialization:
“Twice during the 1978 season, Yankees managers called on Gossage in the second inning and let him finish the game.”