TE's Achilles injury knocks him out for season
Riemersma suffered a right Achilles tendon injury while catching a touchdown pass from Ben Roethlisberger in the second quarter of the Steelers' 17-16 win over the Jacksonville Jaguars on Sunday night.
Pittsburgh placed Riemersma on injured reserve Tuesday, ending his season, and signed veteran tight end Walter Rasby, who began his career with the Steelers a decade ago.
A nine-year veteran, Riemersma backed up Jerame Tuman and had seven catches for 82 yards and two touchdowns.
The Steelers are tied for the best record in the NFL at 11-1 and were the only team to beat New England (11-1) and Philadelphia (11-1).
Rasby caught five passes for 52 yards with the Washington Redskins this season before being released Oct. 19.
A 10-year veteran, Rasby played in two games for the Steelers as an undrafted rookie free agent in 1994. He also has played with Carolina (1995-97), Detroit (1998-2000), Washington (2001-02, 2004) and New Orleans (2003) and has 63 catches for 577 yards and five touchdowns.
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