Owner of the Steelers Dan Rooney at the Super Bowl XLV pep rally on January 28, 2011 in Pittsburgh, Penn. (AP Photo/Ed Rieker)

Pittsburgh Steelers owner Dan Rooney, left, talks with NFL commissioner Roger Goodell before the NFL football Super Bowl XLV game between the Green Bay Packers and the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/David J. Phillip)

Pittsburgh Steelers' chairman Dan Rooney, right, speaks on stage during an NFL fan rally event in Regent Street, London, Saturday, Sept. 28, 2013. The Minnesota Vikings are to play the Pittsburgh Steelers at Wembley stadium in London on Sunday, Sept. 29 in a regular season NFL game. (AP Photo/Matt Dunham)

Pittsburgh Steelers Chairman Dan Rooney stands beside a team jersey with Hall of Fame defensive lineman Joe Greene's name and number after a press conference during NFL football training camp in Latrobe, Pa., on Wednesday, July 30, 2014. The team announced they were retiring Greene's number 75, the first one since Ernie Stautner's 70 was retired in 1964. (AP Photo/Keith Srakocic)

Pittsburgh Steelers president emeritus Dan Rooney walks along the sideline before an NFL football game against the Baltimore Ravens in Pittsburgh on Sunday, Oct 20, 2013. (AP Photo/Gene J. Puskar)

Art Rooney, left, and son Dan, owners of Pittsburgh Steelers football team anticipate better seasons with the addition of QB Terry Bradshaw, their No. 1 pick in the pro football draft, in Pittsburgh, on Jan. 27, 1970. (Associated Press)

Art Rooney, president of the Pittsburgh Steelers, right, poses with his son, Dan, general manager of the club, in Pittsburgh, in this January 21, 1966 photo. (Associated Press)

Pittsburgh Steelers owner Dan Rooney, inducted into the Pro Football Hall of Fame class of 2000, poses with the Steelers four Lombardi trophies in 1980. (National Football League)

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)

Pittsburgh Steelers coach Bill Cowher, left, congratulates Steelers owner Dan Rooney after defeating the Washington Redskins 24-3 in the final game at Three Rivers Stadium in Pittsburgh, Saturday, Dec. 16, 2000. A new football stadium being built next to Three Rivers will open next fall. (AP Photo/Gene J. Puskar)

Former Pittsburgh Steelers player Lynn Swann, right, shares a laugh with team owner Dan Rooney during a news conference in Latrobe, Pa. Thursday, July 26, 2001. Swann announced that he will become the 18th Steeler to be inducted into the Pro Football Hall of Fame, August 4. (AP Photo/Gary Tramontina)

Miami University (OH) quarterback Ben Roethlisberger, the Pittsburgh Steelers' first-round draft pick, stands with team owner Dan Rooney during a news conference in Pittsburgh Monday, April 26, 2004. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Ben Roethlisberger, center, holding the AFC Championship trophy with Steelers president Art Rooney III, left, and Chairman Dan Rooney after Pittsburgh advanced to Super Bowl XL with a 34-17 win over the Denver Broncos, in Denver. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers chairman Dan Rooney, left, and Seattle Seahawks chairman Paul Allen chat on the field during pregame of the Super Bowl XL football game Sunday, Feb. 5, 2006, in Detroit. (AP Photo/David J. Phillip)

Pittsburgh Steelers chairman Dan Rooney holds up the Vince Lombardi Trophy after their Super Bowl XL football win over the Seattle Seahawks, Sunday, Feb. 5, 2006, in Detroit. The Steelers won, 21-10. (AP Photo/Michael Conroy)

Roger Goodell, the NFL's chief operating officer, second from left, and NFL Commissioner Paul Tagliabue, second from right, are joined by Pittsburgh Steelers owner Dan Rooney, left, and Carolina Panthers owner Jerry Richardson, right, for photos after Goodell was selected as the league's new commissioner Tuesday, Aug. 8, 2006 at a NFL meeting in Northbrook Ill. Goodell will assume the duties of commissioner when Tagliabue officially retires prior the the start of this year's regular NFL season. Rooney and Richardson co-chaired the selection committee. (AP Photo/M. Spencer Green)

Pittsburgh Steelers coach Bill Cowher, right, hugs Steelers chairman Dan Rooney after being presented with a miniature Super Bowl trophy before formally announcing that he is stepping down as Steelers head coach after 15 years, Friday, Jan. 5, 2007 in Pittsburgh. (AP Photo/Gene J. Puskar)

Former Steelers defensive lineman "Mean" Joe Greene (with helmet) and team owner Dan Rooney (holding jersey on left) of the Pittsburgh Steelers hold up the 75 year celebration uniform during half-time against the New Orleans Saints in the AFC-NFC Pro Football Hall of Fame Game at Pro Football Hall of Fame Field at Fawcett Stadium in Canton, Ohio on August 5, 2007. (AP Photo/Paul Spinelli)

Democratic presidential hopeful, Sen. Barack Obama, D-Ill., left, walks with Pittsburgh Steelers Chairman Dan Rooney at the David Lawrence Convention Center in Pittsburgh, Monday, April 14, 2008. (AP Photo/Jae C. Hong)

Pittsburgh Steelers chairman Dan Rooney, left, accepts the trophy from former Steeler Ron Woodson, right, with broadcaster Jim Nantz looking on after the Steelers defeated the Ravens 23-14 in the NFL AFC championship football game in Pittsburgh, Sunday, Jan. 18, 2009. (AP Photo/Rob Carr)

NFL Commissioner Roger Goodell hands the the Vince Lombardi Trophy to Pittsburgh Steelers owner Dan Rooney after the win over the Arizona Cardinals during Super Bowl XLIII at Raymond James Stadium on February 1, 2009 in Tampa, Florida. The Steelers defeated the Cardinals 27-23. (Ben Liebenberg/NFL)

From left, Pittsburgh Steelers wide receiver Hines Wards, President Barack Obama, Steelers Chairman President Dan Rooney, Steelers Coach Mike Tomlin, and members of the Steelers, pose with the Vince Lombardi Trophy in the East Room of the White House in Washington, Thursday, May 21, 2009. (AP Photo/Charles Dharapak)

Pittsburgh Steelers offensive linemen Max Starks, right and Trai Essex, left, walk with Dan Rooney, chairman emeritus of the Steelers and the U.S. ambassador to Ireland, during the practice session at the NFL football team's training camp in Latrobe, Pa., Wednesday, Aug. 4, 2010. (AP Photo/Keith Srakocic)

Pittsburgh Steelers owners Art Rooney II and Dan Rooney talk with NFL Commissioner Roger Goodell during Super Bowl XLV on Sunday, Feb. 6, 2011, in Arlington, Texas. (Gary A. Vasquez/NFL)

Peter Rozelle, right, commissioner of the NFL, presents the Super Bowl trophy to Pittsburgh Steelers president Dan Rooney, center, and coach Chuck Noll after Steelers beat the Dallas Cowboys, 21-17, to win Super Bowl X in the Orange Bowl in Miami, Jan. 18, 1976. (AP Photo/Harry Cabluck)

Pro Football Hall of Fame member Dan Rooney, owner of the Pittsburgh Steelers 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)

Quarterback Terry Bradshaw, pro football's top draft choice, signed a multi-year contract with the Pittsburgh Steelers in the city's new Three Rivers Stadium in Pittsburgh, April 25, 1970, where the team will open its 1970 season. Looking on as the Louisiana Tech star signs are, from left, his father, William Bradshaw, Steeler vice president Dan Rooney and Robert Fugh, his lawyer. (AP Photo/Harry Cabluck)

Dan Rooney, president of the Pittsburgh Steelers, announces during the NFL owners meeting in Schaumburg, Ill. on July 18, 1989 that a 12-team international football league will be developed. The new league would include teams from the U.S., Europe, Canada and Mexico. (AP Photo/Ralf Finn Hestoft)

Pittsburgh Steelers owner Dan Rooney stands on the sidelines during the Steelers victory over the Indianapolis Colts Sunday Jan. 14, 1996 to win the AFC Championship. (AP Photo/Gene J. Puskar)