In 1989 , Unser was on the verge of winning his first Indianapolis 500 .
While battling with Emerson Fittipaldi for the lead , the two touched wheels and Unser spun out , hitting the wall and ending Unser 's chances .
In 1989 , Unser was on the verge of winning his first Indianapolis 500 , but while battling with Emerson Fittipaldi for the lead , the two touched wheels and Unser spun out , hitting the wall and ending his chances .