Looking back and ahead: Dennis Seidenberg » Matt Hendricks, Dennis Seidenberg

Dennis Seidenberg has two years remaining on his current deal. (AP)

Dennis Seidenberg has two years remaining on his current deal. (AP)

Boston Bruins’ Dennis Seidenberg (44) checks Washington Capitals’ Matt Hendricks (26) in the third period of an NHL hockey game in Boston, Saturday, March 10, 2012. The Capitals won 4-3. (AP Photo/Michael Dwyer)