22 Celebrities Who Owned A Sports Team That You Had No Clue About

21. David Letterman — Rahl Letterman Lanigan, IndyCar Racing Team

David Letterman is best known as the host of his own late night television show for more than three decades. What others may not know is Letterman grew up in Indiana, home state to one of the world’s most famous races, the Indy 500, and spent his youth obsessed with cars. Later in life Letterman invested in that obsession, buying the Rahl Letterman Lanigan IndyCar Racing Team in 1996 with auto racer Bobby Rahl and entrepreneur Mike Lanigan.