Jack Warhop was not a bad pitcher. You don't play seven major league seasons if you are outright bad. He even made the Pinstripe Alley Top 100 Yankees list. He was pretty good. It's just that in the seven seasons he played, he accomplished something rather amazingly bad.
After a couple impressive minor league seasons, including two with the gloriously named Freeport Pretzels, Warhop made his major league debut for the then New York Highlanders in 1908. Warhop appeared in five games that season. In 36 innings, he had a 4.46 ERA, which was a 56 ERA+, so not great.