Leonard Allen Marshall Jr. is a former American football defensive lineman who played twelve seasons in the National Football League. Marshall played defensive end for the New York Giants for ten seasons, then played a season each as a defensive tackle for the New York Jets and Washington Redskins. He was a starter on the Giants teams that won Super Bowl XXI and Super Bowl XXV. Marshall recently completed a book, When the Cheering Stops, with CBSsports.com writer William Bendetson about the 1990 season and Super Bowl XXV. Marshall was drafted by the Giants in the second round out of Louisiana State University in the 1983 NFL Draft. He was selected to the Pro Bowl for his performances in the 1985, 1986, and 1991 seasons and finished his career with 83.5 quarterback sacks in the regular season and another twelve sacks in the post season. He averaged nearly ten sacks a season from 1985 to 1991, and posted double digit sack totals 3 times. He currently is a professor of Sports Management and Executive-in-Residence at Seton Hall University and runs an annual instructional camp for youth football players in south Florida.