 His first major league home run was a game-winner off Catfish Hunter on April 18, 1976.Wynegar was batting .294 with six home runs and 37 runs batted in at the 1976 All-Star break and was named to the American League All-Star team his rookie season.He drew a walk in his only at-bat, and became the youngest player at the time to appear in an All-Star Game (20 years, 212 days).