Buyer's Guide: Joe Johnson

Johnson can be an elite scorer, but his reliance upon isolation hurts his efficiency. Fernando Medina/NBAE/Getty Images

ESPN Insider is analyzing NBA free agents not named LeBron James (we covered him pretty extensively a few weeks ago, and there's even more coming every day on the LeBron Tracker) to determine what they're really worth to the teams chasing them this summer. To follow the entire series, click here. We continue Thursday with Joe Johnson.