|Ohio State Buckeyes|
|Position:||Co–Defensive Coordinator & Secondary Coach|
|Born:||April 4, 1979|
Montvale, New Jersey
Jeff Hafley (born April 4, 1979) is an American football coach who is the co-Defensive Coordinator and defensive back coach for The Ohio State Buckeyes. Hafley was a four-year letterman (1997-2000) as a wide receiver on the Siena Saints football team and graduated in 2001 from Siena College with a bachelor's degree in history. He earned a master's degree from the University at Albany, SUNY in 2003.
Before entering the NFL ranks, Hafley spent 11 years on the collegiate sidelines with coaching stints at Worcester Polytechnic (2001), Albany (2002–05), Pittsburgh (2006–10) and Rutgers (2011). While at Rutgers, the Scarlet Knights were the ninth-ranked passing defense in the country and Duron Harmon earned first-team All-Big East honors and Logan Ryan received second-team accolades. Both Harmon and Ryan were drafted and currently play for the New England Patriots.
In 2012, Hafley made his NFL coaching debut with the Tampa Bay Buccaneers. He joined the Bucs as assistant defensive backs coach and spent 2013 as the secondary coach/safeties. In 2013, Hafley oversaw a unit which helped Tampa Bay finish tied for third in the NFL with 21 interceptions. On January 27, 2014, Hafley was hired by the Cleveland Browns to coach the secondary. Hafley would remain in this role for 2 seasons (2014–15), before being relieved of his duties due to a coaching overhaul. On January 24, 2016, Hafley was hired by newly hired head coach Chip Kelly to coach the defensive backs of the San Francisco 49ers.
NFL head coaches under whom Jeff Hafley has served:
- Greg Schiano, Tampa Bay Buccaneers (2012-2013)
- Mike Pettine, Cleveland Browns (2014-2015)
- Chip Kelly, San Francisco 49ers (2016)
- Kyle Shanahan, San Francisco 49ers (2017–present)
- Friedman, Jackie. "New Rutgers assistant coach Jeff Hafley eager to start bringing Jersey talent to football program", The Star-Ledger, December 23, 2010. Accessed February 8, 2016. "Jeff Hafley is coming home — and hoping to keep some of New Jersey's best talent here with him. The 31-year-old Montvale native who has served as a coach at Pittsburgh for the last five seasons is joining Greg Schiano's staff at Rutgers."
- "Cleveland Browns: Jeff Hafley". www.clevelandbrowns.com.
- David Fucillo (25 January 2016). "49ers hire Browns secondary coach Jeff Hafley for same role, per Alex Marvez". Niners Nation.