Pittsburgh Steelers (first stint) Spaeth was selected by the
Pittsburgh Steelers in the third round of the
2007 NFL draft. Spaeth started the season primarily on the goal line package and special teams. Spaeth's first catch in the NFL was a touchdown – catching a 5-yard pass from
Ben Roethlisberger in the Steelers' 34–7 win over the
Cleveland Browns on September 9, 2007. When second-string tight end
Jerame Tuman was placed on injured reserve, Spaeth was promoted to second-string. Spaeth caught 5 passes for 34 yards and 3 touchdowns in the 2007 NFL season. In the 2008 season, Spaeth added 17 more catches to his career and 136 yards during the regular season. Along with both an increase in catches and yards, Spaeth also played in
Super Bowl XLIII where he had one catch for six yards. The Steelers went on to win 27–23 over the
Arizona Cardinals. In 2009, Spaeth had 5 catches for 25 yards and 1 touchdown. At the end of the 2010 season, Spaeth and the Steelers appeared in
Super Bowl XLV against the
Green Bay Packers. He had one reception for nine yards in the 31–25 loss.
Chicago Bears As an unrestricted free agent following the 2010 season, Spaeth signed with the
Chicago Bears, who then traded away tight end
Greg Olsen. Spaeth scored his first touchdown catch with the Bears in Week 1 against the
Atlanta Falcons on a one-yard pass from
Jay Cutler. On March 13, 2013, Spaeth was released by the Bears, being the last Bear to wear number 89, which was retired on December 8, 2013, in honor of tight end and
Super Bowl XX winning head coach
Mike Ditka.
Pittsburgh Steelers (second stint) On March 15, 2013, Spaeth re-signed with the Steelers. On November 2, 2014, he caught
Ben Roethlisberger's record-breaking 12th touchdown in two games. On March 9, 2015, it was announced that the Steelers had signed Spaeth to a two-year contract extension. On July 21, 2016, the Steelers released Spaeth due to a failed physical. ==NFL career statistics==