Injury Sidelines Keith Urban

The engines had started, and the checkered flag was waving at Sunday's Indianapolis 500 race, but Keith Urban was nowhere in sight.  Due to a back injury, he had to cancel his plans to help kick off the 100th running of the Indy 500.  Although Keith was not set to perform at the race, he did have the important task of riding shotgun in a two-seater with legendary driver Mario Andretti in front of the pace car at the start of the race. Luckily, Lady Gaga showed up in his place.

His injury will not affect the kick off of his RipCord tour on Thursday.