John Levra

John Levra is the former defensive coach for the Buffalo Bills, a position he held for five seasons (1998-2002) before retiring after the 2002 season. Prior to that, he held the same title with the Minnesota Vikings for three years (1995-1997). With more than 30 years coaching experience, Levra was widely respected as one of the most capable and knowledgeable teaching coaches in the game. John has coached at the high school, college, and professional level. James A. Peterson, Ph.D., FACSM, is a...See more

John Levra is the former defensive coach for the Buffalo Bills, a position he held for five seasons (1998-2002) before retiring after the 2002 season. Prior to that, he held the same title with the Minnesota Vikings for three years (1995-1997). With more than 30 years coaching experience, Levra was widely respected as one of the most capable and knowledgeable teaching coaches in the game. John has coached at the high school, college, and professional level. James A. Peterson, Ph.D., FACSM, is a writer and sports medicine consultant who resides in Monterey, California. A fellow of the American College of Sports Medicine, he has written or co-authored over 80 books and 200 articles on a variety of sports, health, and wellness topics. See less