Sports Illustrated writer Matthew Graham has broken his silence days after his pregnant wife, Regan Cole-Graham, was struck and killed by a car while riding her bike with their family. Matthew told the New York Post that his wife was "amazing" and "the world's best mother" in a story published Tuesday, February 3. The accident occurred on Saturday, January 31 in the Playa del Rey neighborhood of Los Angeles. Regan, who was an executive at Google, was rushed to the hospital where her premature baby was delivered before she died. She was 36.