Free agent roundup: Big Ben and the domino effect

The NBA draft and its mind-numbing 15 trades are behind us, so now the focus shifts to free agency. There are a bunch of big men and point guards on the market, not many small forwards and even fewer shooting guards.

This summer's market actually will pale in comparison to next summer's if all the players with opt-outs, including Dirk Nowitzki, Rashard Lewis, Chauncey Billups and Paul Pierce, end up exercising them.