Team: Charlotte Bobcats
Years of Ownership: 2004-2010
Championships Won and Playoff Appearances: Zero championships / One playoff appearance

Just because Michael Jordan is involved in an NBA team doesn't mean you have a winner. He can't go out and play for the Bobcats, though it might be an improvement. Credit to Nelly though, he bought in just before the inaugural season, and got out in 2010. At least the man knows a loser when he sees one, and they did have that one playoff appearance in 2010. Too bad MJ doesn't know when to quit.