Papelbon has been a rock at the end of games for the Red Sox since he took over closing responsibilities in 2006. He has saved at least 30 games in each of the past six seasons.
However, shaky performances over the last two seasons have led some people to believe that it is time for a change in Boston.
If Papelbon were to leave, the Red Sox would be facing a huge hole in the bullpen. Here's a look at some potential replacements.