Complex sentence: Stephen Tomasin (born 25 September 1994) is an American rugby union player who plays for the United States national rugby sevens team in the World Rugby Sevens Series.
Split into simpler sentences: Stephen Tomasin (born 25 September 1994) is an American rugby union player who plays for the United States national rugby sevens team. He represents the U.S. team in the World Rugby Sevens Series.