DETROIT , MI - OCTOBER 11: Calvin Johnson #81 of the Detroit Lions is tackled by James Harrison #92 of the Pittsburgh Steelers October 11, 2009 at Ford Field in Detroit, Michigan. Johnson was...

DETROIT , MI - OCTOBER 11: Calvin Johnson #81 of the Detroit Lions is tackled by James Harrison #92 of the Pittsburgh Steelers October 11, 2009 at Ford Field in Detroit, Michigan. Johnson was...

DETROIT , MI - OCTOBER 11: Calvin Johnson #81 of the Detroit Lions is tackled by James Harrison #92 of the Pittsburgh Steelers October 11, 2009 at Ford Field in Detroit, Michigan. Johnson was...

DETROIT , MI - OCTOBER 11: Calvin Johnson #81 of the Detroit Lions is tackled by James Harrison #92 of the Pittsburgh Steelers October 11, 2009 at Ford Field in Detroit, Michigan. Johnson was...

TAMPA, FL - FEBRUARY 01: James Harrison #92 of the Pittsburgh Steelers makes an interception for an 100-yard touchdown return against the...

James Harrison has emerged as a defensive beast in the AFC North

PITTSBURGH, PA - JANUARY 18: James Harrison #92 of the Pittsburgh Steelers lines up against the Baltimore Ravens during the AFC Championship game...

...Favre, right, is helped up in the fourth quarter after being hit by Pittsburgh Steelers linebacker James Harrison (92) in an NFL football game in Pittsburgh, Oct. 25, 2009. The Steelers won 27-17...

LATROBE, PA - AUGUST 06: James Harrison #92 of the Pittsburgh Steelers talks with Willie Parker #39 during training camp at St. Vincent...

JACKSONVILLE - OCTOBER 5: Linebacker James Harrison #92 of the Pittsburgh Steelers warmups during pre game before game against the Jacksonville Jaguars on...

...Pittsburgh, PA, USA; Houston Texans running back Steve Slaton (20) is tackled by Pittsburgh Steelers linebacker James Harrison (92), linebacker LaMarr Woodley (56) and defensive end Brett Keisel (99) in the first half of...

Cleveland Browns Kellen Winslow (80) is tackled by Pittsburgh Steelers James Harrison during the Steelers win over the Browns in Cleveland Ohio September 14, 2008. FOXBORO, MA - NOVEMBER...

TAMPA, FL - FEBRUARY 01: Linebacker James Harrison #92 of the Pittsburgh Steelers lines up on defense against the Arizona Cardinals during Super Bowl...

TAMPA, FL - FEBRUARY 01: Linebacker James Harrison #92 of the Pittsburgh Steelers makes a move against the Arizona Cardinals during Super Bowl XLIII...

Feb 1, 2009; Tampa, FL, USA; Pittsburgh Steelers linebacker James Harrison (92) runs back an interception for a touchdown during the second quarter of Super Bowl XLIII...