Complex sentence: Glenn Cozen (born 1956) is an American professional poker player from Pasadena, California, who is best known for his second-place finish in the $10,000 buy-in Main Event at the 1993 World Series of Poker.
Split into simpler sentences: Glenn Cozen (born 1956) is an American professional poker player from Pasadena, California. He best known for his second place finish in the $10,000 buy-in Main Event at the 1993 World Series of Poker.