Kansas City Chiefs tight end Tony Gonzalez celebrates after blocking a punt by San Francisco 49ers Tommy Thompson during the second quarter, Nov. 30, 1997, Gonzalez returned the ball for 9 yards to the 49ers three yard line.

Tony Gonzalez (88) of the Kansas City Chiefs' catches an eight-yard touchdown pass from Oakland Raiders' quarterback Rich Gannon as Philadelphia Eagles' Jeremiah Trotter (54) and New Orleans Saints' Joe Johnson (94) look on during the first quarter

Kansas City Chiefs tight end Tony Gonzalez #88 of the AFC squad at the 2004 NFL Pro Bowl game against the NFC on February 8, 2004 in Honolulu, Hawaii. The NFC defeated the AFC 55-52.

Kansas City Chiefs tight end Tony Gonzalez celebrates after scoring a touchdown on a 20-yard pass from Trent Green in the first quarter Sunday, Oct. 5, 2003, at Arrowhead Stadium in Kansas City, Mo.

November 1, 2004. Tony Gonzalez celebrates after catching a touchdown in Kansas City, MO against the Indianapolis Colts

Kansas City Chiefs' Tony Gonzalez (88) runs for extra yardage after grabbing a pass in front of Tampa Bay Buccaneers cornerback Ronde Barber (20) during the third quarter Sunday, Nov. 7, 2004 at Raymond James Stadium in Tampa, Fla. Gonzalez had 9 catches

Kansas City Chiefs tight end Tony Gonzalez (88) during an NFL football game against the Oakland Raiders at Network Associates Coliseum on December 5, 2004 in Oakland, California. The Chiefs defeated the Raiders 34-27.

Oakland Raiders cornerback Renaldo Hill (22) breaks up a pass intended for Kansas City Chiefs tight end Tony Gonzalez (88) during the second quarter Sunday, Nov 6, 2006, at Arrowhead Stadium in Kansas City, Mo

Kansas City Chiefs tight end Tony Gonzalez, center, catches a touchdown in front of Indianapolis Colts cornerback Marlin Jackson in the third quarter of NFL football action in the Wild Card playoff game in Indianapolis, Saturday, Jan. 6, 2007.

Kansas City Chiefs' Tony Gonzalez (88) celebrates next to San Diego Chargers' Stephen Cooper (54) and Clinton Hart (42) after Gonzalez scored on a 22-yard touchdown pass in the third quarter of an NFL football game Sunday, Sept. 30, 2007, in San Diego.

Kansas City Chiefs tight end Tony Gonzalez celebrates after scoring a touchdown during the first quarter of a football game against the Cincinnati Bengals, Sunday, Oct. 14, 2007

Kansas City Chiefs tight end Tony Gonzalez celebrates after scoring a touchdown during the first quarter of a football game against the Cincinnati Bengals Sunday, Oct. 14, 2007 in Kansas City, Mo.

Kansas City Chiefs tight end Tony Gonzalez celebrates after scoring a touchdown during the first quarter of a football game against the Cincinnati Bengals, Sunday, Oct. 14, 2007 in Kansas City, Mo.

Tight end Tony Gonzalez #88 of the Kansas City Chiefs gains some yardage after a catch against the Cincinnati Bengals at Arrowhead Stadium on October 14, 2007 in Kansas City, Missouri. The Chiefs defeated the Bengals 27-20.

Kansas City Chiefs tight end Tony Gonzalez celebrates his second touchdown catch of the game during the fourth quarter of a football game against the Cincinnati Bengals, Sunday, Oct. 14, 2007, in Kansas City, Mo. Kansas City won the game 27-20.

Tight end Tony Gonzalez #88 of the Kansas City Chiefs smiles during a postgame television interview after catching two touchdown passes and setting a new NFL record for touchdown receptions by a tight end, 64, The Chiefs defeated the Bengals 27-20.

Kansas City Chiefs' Tony Gonzalez celebrates his 17-yard touchdown reception in the fourth quarter of a football game against the Green Bay Packers Sunday, Nov. 4, 2007, in Kansas City, Mo. The Packers won 33-22

Kansas City Chiefs tight end Tony Gonzalez (88) smiles during pregame warmups before an NFL game against the Oakland Raiders s on December 9, 2001. The Raiders defeated the Chiefs 28-26.

Kansas City Chiefs Tony Gonzalez making a play with the football in a game verse the Kansas City Chiefs on Sunday November 30, 2003 in San Diego.

SAN DIEGO - NOVEMBER 9: Tony Gonzalez #88 of the Kansas City Chiefs in action against the San Diego Chargers at Qualcomm Stadium on November 9, 2008 in San Diego, California. The Chargers defeated the Chiefs 20-19.

Tony Gonzalez #88 of the Kansas City Chiefs celebrates after breaking the NFL record for touchdown receptions by a tight end against the Cincinnati Bengals on October 14, 2007 in Kansas City, Mo. Kansas City defeated Cincinnati 27-20.

Kansas City Chiefs Tony Gonzalez looks on against the San Diego Chargers at Arrowhead Stadium in Kansas City, Missouri on November 28, 2004. The Chargers won 34-31.

Tony Gonzalez #88 of the Kansas City Chiefs smiles as he warms up prior to a game against the Indianapolis Colts on Oct. 25, 2001 during an NFL football game in Kansas City, Mo. The Colts won 35-28.

Tony Gonzalez #88 of the Kansas City Chiefs leaps to make a reception against the Oakland Raiders on Dec. 9, 2001 during an NFL football game in Oakland, Ca. The Raiders won 28-26.

Tony Gonzalez #88 of the Kansas City Chiefs greets fans prior to a game against the Tampa Bay Buccaneers at Arrowhead Stadium on November 2 in Kansas City, Missouri. Tampa Bay won 30-27 in overtime

Falcons tight end Tony Gonzalez Warms up prior to last game at Arrowhead Stadium September 9, 2012

September 9, 2012. Tony Gonzalez and Chiefs CEO and Chairman Clark Hunt visit prior to the game.

Atlanta Falcons tight end Tony Gonzalez (88) waves to fans as he leaves Arrowhead Stadium during after an NFL football game against the Kansas City Chiefs Sunday, Sept. 9, 2012, in Kansas City, Mo. The Falcons won the game 40-24.

Tony Gonzalez #88 of the Kansas City Chiefs stands on the field prior to a game against the Tennessee Titans at Arrowhead Stadium on October 19 in Kansas City, Missouri. Tennessee defeated Kansas City 34-10.