Celtics Free Agency Rumors Roundup: What We've Learned

We're a full week into the 2015 NBA free agency period, which means it's time to step back and assess where the Boston Celtics have gone so far and where they're headed as the days go on. Here's our Celtics Free Agency Rumors Roundup: What We've Learned.

David Lee Trade A Steal?

The Boston Celtics took a major step towards fortifying their playoff hopes for the 2015-16 season yesterday, acquring former All-Star forward David Lee from the Golden State Warriors for what currently amounts to Gerald Wallace's expiring deal -- a contract which Golden State can pay out over the next three years with the NBA's stretch provision.

Per Steve Bulpett of the Boston Herald, the trade terms may not be…