Complex sentence: In 1951, Kellogg is noted for refusing a $1,000 bribe to shave points during basketball games; he contacted the authorities and touched off the largest college betting scandal in American history.
Split into simpler sentences: In 1951, Kellogg is noted for refusing a $1,000 bribe to shave points during basketball games. He contacted the authorities and touched off the largest college betting scandal in American history.