Packers Hire New DC

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 by and played for the New England Patriots.[7]

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.[citation needed] 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.[citation needed] On January 24, 2016, Hafley was hired by San Francisco 49ers' new head coach Chip Kelly to coach the defensive backs.[8] In 2019, he was hired to be the co-defensive coordinator at Ohio State. Hafley quickly established himself as one of the best recruiters in the country, being ranked ninth overall recruiter for the 2020 class by[9] On December 13, 2019, he was hired to be the head coach at Boston College after the firing of Steve Addazio.[10]
From his yr at Ohio State

Simplifying the defense's overall approach so their players could play fast was central to Hafley and Mattison's mission and the numbers speak for themselves.

Playing far less man press and instead deploying more zone looks, rolling almost exclusively with a single high safety and showing multiple linebacker schemes all paid dividends in limiting the big plays Ohio State gave up seemingly at will in 2018.

With Hafley guiding the secondary, Ohio State's pass defense is performing nearly 100 yards per game better than a season ago. The Buckeyes also have 15 interceptions so far this year, good for No. 9 nationally.

Overall, his defense is giving up less than four yards per play, leading the country, and easily the best mark of any Ohio State defense dating back to at least Urban Meyer's arrival.
FYI~ AT Ohio state and in the NFL very much a off man...cover 3/4 guy single high safety. At BC he used a ton of press man and cover 2.

He REALLY likes to mix up his blitz packages a lot.

Weakness>>> Run defense is just okay

Strength... He adapts his defense to his personal. Solid X and O coach
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