American Football Database
Larry Mac Duff
Sport(s)NFL/College Football Coach
Biographical details
Born (1948-06-22) June 22, 1948 (age 74)
File:Flag of Iowa.svg Clinton, Iowa
Playing career
Fullerton (J.C.)
Coaching career (HC unless noted)
Stanford (DL)
Hawaii (DL/ST)
Arizona (DC)
New York Giants (ST)
Arizona (DC)
San Francisco 49ers (ST)
Texas (Co-DC)
Las Vegas Locomotives (DC)

Larry Mac Duff (born June 22, 1948 in Clinton, Iowa) is a Professional/College football coach. He is currently the Defensive Coordinator and Special Teams Coordinator for the Las Vegas franchise of the United Football League.The Las Vegas team won the UFL Championship in 2009 and 2010.[1]

Mac Duff has eight years of NFL coaching experience. He was the Special Teams Coach for the New York Giants for four years (1997–2000). During this time, the Giants won two NFC East Championships and represented the NFC in Super Bowl XXXV. Mac Duff was Special Teams Coordinator for the San Francisco 49ers for four years (2003–2006).

Mac Duff was the Defensive Coordinator for the "Desert Swarm” Defense at the University of Arizona. In 1992, the U of A Defense led the nation in scoring defense, allowing only 8.9 points per game and finished 2nd nationally in total defense. In 1993, Arizona led the nation in rushing defense, allowing only 30.1 yards per game and again finished second nationally in total defense.

Mac Duff was named Frank Broyles "National Assistant Coach of the Year" during his tenure at Arizona. Mac Duff has helped mentor a Nagurski Trophy winner (Rob Waldrop - 1993), an Outland Trophy winner (Rob Waldrop - 1993), a Thorpe Award winner (Darryll Lewis - 1990), a Lombardi Award finalist / NCAA Career Sack Champion (Tedy Bruschi - 1995), and five Pac-10 Defensive Players of the Year.[citation needed] Mac Duff was Co-Defensive Coordinator for the University of Texas, during their 2007 season, which culminated with 10 wins and a victory over Arizona State in the Holiday Bowl.


Preceded by
Gene Chizik
University of Texas Defensive coordinator
2007 (alongside Duane Akina)
Succeeded by
Will Muschamp