Complex sentence: Oscar "Happy" Felsch (22 August 1891-17 August 1964) was an American baseball player who was probably best known for his involvment in the 1919 Black Sox scandal.
Split into simpler sentences: Oscar "Happy" Felsch (22 August 1891-17 August 1964) was an American baseball player. He is probably best known for his involvment in the 1919 Black Sox scandal.