Now the NHL season is back into full swing following the Olympic break, the trade deadline at 3 p.m. today is almost here. This is the time of year when teams have to decide whether they are contenders or should start building up for next season. For the Bruins, the answer is simple: They are strong playoff contenders in the Eastern Conference. They look to be set up front, but they need help on the blue line after losing Dennis Seidenberg to a torn ACL. General manager Peter Chiarelli will most likely be looking for a rental to fill the void the rest of the season. Here is a look at some players the Bruins may consider acquiring to help shore up the defensive corps.