Before revision: History 150px| Tommy John, for whom the surgery is named, in 2008 At the time of John's operation, Jobe estimated the chance for success of the operation at 1 in 100.
After revision: History one50px| Tommy John, for whom the surgery is named, in 2008 At the time of John's operation, Jobe estimated the chance for success of the operation at 1 in 100.