New pass rush specialist Chris Kiffin works with 49ers defensive linemen during a recent practice.
New pass rush specialist Chris Kiffin works with 49ers defensive linemen during a recent practice. Courtesy: 49ers 49ers
New pass rush specialist Chris Kiffin works with 49ers defensive linemen during a recent practice. Courtesy: 49ers 49ers
49ers with Matt Barrows

49ers with Matt Barrows

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Chris Kiffin building a better mouse, er, quarterback trap in 49ers defense

May 29, 2018 08:42 AM