Career stiffs make basketball fans angry, especially if they've enjoyed long careers. That's mostly the case for big men. You know what they say: "You can't teach height." You also can't teach hand-eye coordination. Guys like Johan Petro, the Collins twins, and Luc Longley enjoyed having a job because of their height. Forget an actual ability to play the game of basketball, their on the team because they're 6'10" or better, are alive, and can blink. These are the types of players that make every NBA fan bang their heads against brick walls. This list was made because Greg Ostertag turns 40 today. He was a scrub that had the opportunity to play on great teams solely because of his God-given height. So, without further ado, we proudly present the 25 Worst Big Men in NBA History.