Three-time NASCAR champion Tony Stewart announces he will retire after the 2016 season during a news conference at Stewart-Haas Racing's headquarters in Kannapolis, N.C., Wednesday, Sept. 30, 2015.
Three-time NASCAR champion Tony Stewart announces he will retire after the 2016 season during a news conference at Stewart-Haas Racing's headquarters in Kannapolis, N.C., Wednesday, Sept. 30, 2015. Chuck Burton AP
Three-time NASCAR champion Tony Stewart announces he will retire after the 2016 season during a news conference at Stewart-Haas Racing's headquarters in Kannapolis, N.C., Wednesday, Sept. 30, 2015. Chuck Burton AP