Muir (6-2, 322) originally entered the NFL as an undrafted free agent with the Green Bay Packers in 2007. He has appeared in 46 games (26 starts) in six seasons with Green Bay (2007), Indianapolis (2008-11) and the New York Jets (2012), recording 111 tackles (88 solo), 0.5 sacks (-5.0 yards) and one pass defensed.
He has started all four postseason games he’s appeared in, recording 16 tackles (11 solo) and 1.0 sack (-5.0 yards), including starting Super Bowl XLIV vs. New Orleans as a member of the Colts.
Muir was a four-year letterman at Kent State (2003-06), playing in 46 games with 45 starts, accumulating 198 career tackles, including 35 for loss, 14.5 sacks, three forced fumbles, two fumble recoveries and one interception.
The Lanham, Md., native, was a four-year letterman at Parkdale High School in Riverdale, Md., as both a defensive tackle and offensive guard.
— Chiefs Media Relations —