As free agency tips off, the NBA A to Z guys Sam Amick and Jeff Zillgitt analyze what has happened so far with USA TODAY Sports' Kevin Spain. The guys discuss the Kevin Love deal, Dwyane Wade and Greg Monroe and talk about how Anthony Davis and Kawhi Leonard being locked up by their teams were two of the biggest moves. Spain talks to Gerry Vallaincourt, longtime NBA analyst out of New Orleans on the Davis contract. The guys discuss the most interesting moves so far. Follow them on twitter @sam_amick, @JeffZillgitt, @kevin_spain.