According to Sam Amick of Sports Illustrated, the Boston Celtics are interested in signing free agents Kenyon Martin and Terrence Williams.

The Lakers and Celtics have shown interest (in Martin) previously, but the question now is whether the 34-year-old Martin will hold out until midseason or perhaps even retire if he doesn’t get a deal and a situation to his liking. His leading competitor in this corner of the free-agent market is journeyman forward Louis Amundson, the 29-year-old who came off the bench for Indiana last season.

Williams … is working out for the Pistons in Detroit this week. … Dallas and Boston are believed to be interested as well.

Martin had a down year last year, scoring inefficiently (career-low 44.1% shooting, career-low 9.9 PER if you discount a two-game stint with the Nuggets in 2006) and notching one of the lowest rebounding rates in his career (11.5, though that puts him in a dead tie with Brandon Bass). Still, the Clippers were 6.35 points per 100 possessions better with Martin on the floor, and their defense was 7.16 points better.

After a studly career at Louisville, Williams has not managed to make a smooth adjustment to the NBA so far in his three seasons. He’s an uber-athletic, skilled guard who struggles playing a bit role–a weakness that would seem to make him a poor fit in Boston.

Obviously, somebody would have to get cut in order for the Celtics to add another player. As much as I root for Dionte Christmas, he should hope the Celtics decide not to acquire anybody else.