LEXINGTON, Ky. — Some days, he pretended to be Rex Chapman in the 1990 NBA Slam Dunk Contest, recreating all those aerial assaults on an 8-foot goal. “To hit a game-winning shot for Kentucky,” Sheppard says, “was really special for me.” REED SHEPPARD WINS IT FOR KENTUCKY 🚨 @KentuckyMBB pic.twitter.com/1pevWzZwfu — SEC Network February 28, 2024 During ESPN’s broadcast, Jimmy …