William Moore is a former professional American football player who played as a safety in the National Football League (NFL). He was born on February 18, 1985, in Hayti, Missouri. Moore played college football at the University of Missouri before being drafted by the Atlanta Falcons in the second round of the 2009 NFL Draft. During his career, Moore was known for his strong defensive skills and ability to make impactful plays. He spent the majority of his career with the Falcons, where he became a key player in their secondary. Moore also played for the New York Jets before retiring from professional football.