Rube Marquard is the worst pitcher in the Hall of Fame. I was going to say “probably the worst” or “arguably the worst” but let’s be honest: It’s a lot more than probable. And while “arguably” casts a wide net -- anything, arguably, is arguable -- there are not many good arguments that another pitcher is the worst in the Hall. I suppose you could argue one of the relievers -- Bruce Sutter or Rollie Fingers -- were less valuable because of their roles, and I guess you could try to fight for Jesse Haines or Catfish Hunter as being slightly worse than Marquard. But they all seem like losing arguments to me.