Pittsburgh Steelers President Dan Rooney, center, stands with his presenter, Joe Greene, after Rooney was enshrined in the Pro Football Hall of Fame Saturday, July 29, 2000, in Canton, Ohio. (AP Photo/Mark Duncan)

Arizona Cardinals defensive line coach Joe Greene looks on prior to an NFL football game against the Washington Redskins on Dec. 7, 1997 in Tempe, Az. The Redskins defeated the Cardinals 38-28. (AP Photo/G. Newman Lowrance)

Joe Greene of the Pittsburgh Steelers in July 1971. (AP Photo)

"Mean" Joe Greene, Pittsburgh Steelers tackle, encourages his teammates during the Super Bowl game against the Minnesota Vikings in Tulane Stadium in New Orleans, Jan. 13, 1975. (AP Photo/Harry Cabluck)

Pirates first baseman Willie Stargell, left, and Steelers defensive tackle Joe Greene take time out from a workout at Three Rivers Stadium to talk about the coming National League Playoffs. The two sports stars, whose teams play in the same stadium, met on Tuesday, Sept. 30, 1975 in Pittsburgh when the Steelers workout ended and the Pirates worked out in preparation for their series with Cincinnati. (AP Photo/HC)

Pittsburgh Steelers equipment man Tony Parisi, left, cuts the pads off defensive tackle Joe Greene in the locker room after the Steelers beat the Oakland Raiders 16-10 on Sunday, Jan. 4, 1976 in the AFC Championship game at Pittsburgh. (AP Photo)

Joe Greene of the Pittsburgh Steelers was named The Associated Press? Defensive Player of the Year for the N.F.L. Greene is talking over a situation with his coaches in a game against the Dallas Cowboys last October in an undated photo. A graduate of N.T.S.U. he makes his off season home in Dallas. (AP Photo)

SAN DIEGO, CA - JANUARY 8: Defensive line coach Joe Greene of the Miami Dolphins watches warmups from the sideine against the San Diego Chargers in the 1994 AFC Divisional Playoff Game at Jack Murphy Stadium on January 8, 1994 in San Diego, California. The Chargers defeated the Dolphins 22-21. (AP Photo/NFL Photos)

AFC defensive line coach "Mean" Joe Greene of the Miami Dolphins, a Hall of Fame defensive tackle for the Pittsburgh Steelers, during the pregame warm up before the AFC's 23-20 overtime victory over the NFC in the 1993 NFL Pro Bowl played on February 7, 1993 (AP Photo/NFL Photos)

Pittsburgh Steelers hall of fame defensive tackle "Mean" Joe Greene, left, is reunited with actor Tommy Okon on the field at Heinz Field before a NFL football game against the Cincinnati Bengals in Pittsburgh, Sunday, Nov. 15, 2009. It is the 30th anniversary of the iconic "Mean Joe" TV ad for Coca-Cola that featured Greene and a nine-year-old Okon. (AP Photo/Gene J. Puskar)

Pittsburgh Steeler Joe Greene (75), in action during a game against the Cincinnati Bengals on December 13, 1981at Three Rivers Stadium in Pittsburgh, Pennsylvania. The Bengals beat the Steelers 17-10. (AP Photo/David Durochik)

Former Pittsburgh Stealers star and NFL Hall of Fame member "Mean" Joe Greene and child actor Tommy Okon appear in this still photo from a 1979 Coca-Cola television commercial. Coca-Cola will celebrate the commercial's 20th anniversary on June 26, 1999 at the World of Coca-Cola. Greene, now an assistant coach with the Arizona Cardinals, is scheduled to attend the event. (AP Photo/Coca-Cola Company)

Miami Dolphins assistant coach ?Mean? Joe Greene shown working out with the team at pre-season camp, in Miami on July 29, 1992. (AP Photo/David Bruneau)

Pittsburgh Steelers defensive tackle "Mean" Joe Greene (75) runs with a fumble during game against the Philadelphia Eagles in Pittsburgh, Pa., Nov. 3, 1974. The Steelers defeated the Eagles 27-0 at Three Rivers Stadium. The Steelers defeated the Eagles 27-0. (AP Photo/NFL Photos)

Pittsburgh Steelers Hall of Fame defensive tackle "Mean" Joe Greene (75) runs in pursuit during an NFL game against the Green Bay Packers in Milwaukee, Oct. 26, 1975. The Steelers defeated the Packers 16-13. (AP Photo/Vernon Biever)

Pittsburgh Steelers Hall of Fame defensive tackle Joe Greene (75) smiles on the sideline during an NFL game against the San Diego Chargers, Dec. 18, 1977. The Steelers defeated the Chargers 10-9. (AP Photo/NFL Photos)

Pittsburgh Steelers defensive tackle "Mean" Joe Greene (75), crashes past teammates during workout after he was named NFL Defensive Rookie of the Year by a panel of Associated Press sportscasters and writers, Dec. 19, 1969, in Pittsburgh. (AP Photo/Jack Kanthal)

Pittsburgh Steelers Hall of Fame defensive tackle Joe Greene (72) poses for a headshot in Pittsburgh in 1969. (AP Photo/NFL Photos)

Former members of the Pittsburgh Steelers Steel Curtain defense (left to right) L.C. Greenwood, Mel Blount, and "Mean" Joe Greene participate in halftime ceremonies during the game against the Houston Texans at Heinz Field on September 7, 2008 in Pittsburgh, Pennsylvania. The Steelers defeated the Texans 38-17. (AP Photo/Paul Spinelli)

Pro Football Hall of Fame member Joe Greene is introduced during the induction ceremony at the Pro Football Hall of Fame on Saturday, Aug. 4, 2012, in Canton, Ohio. (AP Photo/Tom E. Puskar)

Former Oakland Raiders head coach John Madden, right, interviews Pittsburgh Steelers All-Pro defensive man "Mean" Joe Greene for a CBS television network program about this year's Super Bowl contest. Madden, who led the Raiders to a win in Super Bowl XI in 1977, retired from coaching two seasons ago. Madden and Mean Joe talked during press day at the Steelers camp on Tuesday, Jan. 16, 1980 in Fullerton, California. (AP Photo)

Pittsburgh Steelers Joe Greene 1980. (AP Photo/Charles Cabluck)

(AP Photo/Paul Spinelli)

Enshrinee Joe Greene is introduced during the Pro Football Hall of Fame enshrinement ceremony Saturday, Aug. 2, 2014, in Canton, Ohio. (AP Photo/David Richard)

Former Pittsburgh Steelers "Mean" Joe Greene signs the number 75 jersey of 8-year old Matthew Ballew Saturday, June 26, 1999, in Atlanta, following The World of Coca-Cola ceremony to commemorate the 20th anniversary of Greene's now famous 30-second Coca-Cola television commercial. The commercial won industry awards and acclaim and has been voted one of the best commercials of all time. (AP Photo/Michael Pugh)