OAKLAND, CA - DECEMBER 24: Tackle Gary Zimmerman #65 of the Denver Broncos looks to block against the Oakland Raiders at Oakland Alameda-Coliesuem on December 24, 1995 in Oakland, California. The Broncos defeated the Raiders 31-28. (Photo by Allen Kee/NFL Photos/Getty Images)

26 Dec 1993: Offensive lineman Gary Zimmerman of the Denver Broncos looks on during a game against the Tampa Bay Buccaneers. The Buccaneers won the game, 17-10. (Photo by Tim DeFrisco/Allsport)

Minnesota Vikings tackle Gary Zimmerman (65) in action during the Vikings 24-10 victory over the Tampa Bay Buccaneers on November 12, 1989 at Tampa Stadium in Tampa, Florida. (Photo by Al Messerschmidt/NFL)

Minnesota Vikings tackle Gary Zimmerman (65) in action during the Vikings 13-10 loss to the Buffalo Bills on September 4, 1988 at Rich Stadium in Orchard Park, New York. (Photo by NFL/NFL)

Minnesota Vikings quarterback Rich Gannon (12) looks for an open receiver behind the blacking of tackle Gary Zimmerman (65) during the Vikings 24-7 loss to the Miami Dolphins on October 2, 1988 at Joe Robbie Stadium in Miami, Florida. (Photo by Dave Cross/NFL)

Minnesota Vikings tackle Gary Zimmerman in action during a 35-21 win over the Green Bay Packers on November 17, 1991 at Lambeau Field in Green Bay, Wisconsin. (Photo by Vernon Biever/NFL)

LOS ANGELES - JANUARY 2: Tackle Gary Zimmerman #65 of the Denver Broncos watches from the bench against the Los Angeles Raiders at the Los Angeles Memorial Coliesuem on January 2, 1993 in Los Angeles, California. The Raiders defeated the Broncos 33-30 in overtime. (Photo by George Long/NFL Photos/Getty Images)

EAST RUTHERFORD, N.J. - SEPTEMBER 11: Tackle Gary Zimmerman #65 of the Denver Broncos prepares to pass block against the New York Jets at Giants Stadium on September 11, 1994 in East Rutherford, New Jersey. The Jets defeated the Broncos 25-22. (Photo by Jim Turner/NFL Photos/Getty Images)

22 Sep 1996: Offensive lineman Gary Zimmerman of the Denver Broncos (right) blocks Kansas City Chiefs defensive lineman John Browning during a game at Arrowhead Stadium in Kansas City, Missouri. The Chiefs won the game, 17-14. (Photo by Stephen)

Gary Zimmerman game action during the Denver Broncos 1997 Season. (Photo by Allen Kee/NFL)

Denver Broncos tackle Gary Zimmerman (65) in action during the Broncos 24-21 victory over the Pittsburgh Steelers in the 1997 AFC Championship Game on January 11, 1998 at Three Rivers Stadium in Pittsburgh, Pennsylvania. (Photo by MPS/NFL)

Denver Broncos offensive lineman Gary Zimmerman (65) takes a breather during an NFL game against the San Francisco 49ers, Sunday, Oct. 9, 1988 in San Francisco. (AP Photo/Greg Trott)

Minnesota Vikings tackle Gary Zimmerman (65) in action during the Vikings 13-10 loss to the Buffalo Bills on September 4, 1988 at Rich Stadium in Orchard Park, New York. (National Football League)

Minnesota Vikings tackle Gary Zimmerman at the NFL Pro Bowl, a 27-21 NFC victory on February 4, 1990, at Aloha Stadium in Honolulu, Hawaii. (National Football League)

Minnesota Vikings tackle Gary Zimmerman (65) lines up during the NFL Pro Bowl, a 27-21 NFC victory on February 4, 1990, at Aloha Stadium in Honolulu, Hawaii. (National Football League)

Buffalo Bills defensive end Bruce Smith (78) and Minnesota Vikings tackle Gary Zimmerman (65) receive Linemen of the Year awards at the NFL Pro Bowl, a 15-6 AFC victory on February 7, 1988, at Aloha Stadium in Honolulu, Hawaii. (National Football League)

Hall of Fame quarterback Steve Young (8) of the Los Angeles Express looks for an open receiver behind the blocking of guard Gary Zimmerman (56) during the Express's 24-19 United States Football League (USFL) victory over the Oakland Invaders on June 15,1984. (National Football League)

Offensive tackle Gary Zimmerman #65 of the Denver Broncos blocks against the Los Angeles Raiders in the 1993 AFC Wild Card Game at the Los Angeles Memorial Coliseum on January 9, 1994 in Los Angeles, California. The Raiders defeated the Broncos 42-24. (National Football League)

Former Denver Broncos guard Gary Zimmerman waves to the crowd during a his Hall of Fame ring ceremony at half time during an NFL football game between the Denver Broncos and the Tampa Bay Buccaneers in Denver, Sunday, Oct. 5, 2008. (AP Photo/Jack Dempsey)

Former Denver Broncos guard Gary Zimmerman shows off his Hall of Fame ring during a ceremony at half time during an NFL football game between the Denver Broncos and the Tampa Bay Buccaneers in Denver, Sunday, Oct. 5, 2008. (AP Photo/Jack Dempsey)

Former Denver Broncos offensive tackle Gary Zimmerman stands next to his bronze bust at the Pro Football Hall of Fame on Saturday, Aug. 2, 2008, in Canton, Ohio. (AP Photo/Kiichiro Sato)

Denver Broncos offensive lineman Gary Zimmerman, left, listens as owner Pat Bowlen list Zimerman's acomplishments as his named is added to the "Ring of Fame" at the Broncos' stadium during halftime ceremonies in Denver on Sunday, Sept. 28, 2003. (AP Photo/David Zalubowski)

Commissioner C. David Baker of the Arena Football League, Casey Wasserman, center, owner and president of Los Angeles' new Arena Football team the Avengers, and Jack Youngblood, assistant to the Commissioner and former NFL great, pose in front of the new team's name, logo, and helmets during a news conference in Los Angeles Monday, June 14, 1999. (AP Photo/Kevin Winter)