Dual Grade 3 winner American Lion has been retired from racing, the colt&rsquo;s owner, WInStar Farm, announced Friday. WinStar said it hasn&rsquo;t determined his stud plans.The 3&#45;year&#45;old Tiznow colt won the Illinois Derby this year and the Hollywood Prevue Stakes last season. He also finished third this season in the Grade 2 Robert B. Lewis Stakes. American Lion last ran in the Kentucky Derby, finishing 11th behind winner Super Saver, also owned by WinStar.&ldquo;American Lion had a setback after the Derby that has prevented him from getting back to his best form and fulfilling his great potential,&rdquo; WinStar racing manager Elliott Walden said. Trained by Eoin Harty, American Lion retires with a $413,600 bankroll from 3 wins, 1 second, and 1 third from 7 starts. He is out of the Storm Cat mare Storm Tide.