Complex sentence: In the 1984 Summer Olympic Games, Gaylord led the gold-medal-winning U.S. men's gymnastics team, becoming the first American gymnast to score a perfect 10.00 in the Olympics.
Split into simpler sentences: In the 1984 Summer Olympic Games, Gaylord led the gold-medal-winning U.S. men's gymnastics team. There, Gaylord became the first American gymnast to score a perfect 10.00 in the Olympics.