 In addition, the Heat once again swept Games 3, 4 and 5 at home (becoming only the third team to do so) on their way to their second championship.On July 11, 2012, the Heat officially signed veterans Ray Allen to a three-year deal and Rashard Lewis to a two-year deal.After releasing Terrel Harris and Josh Harrellson, Miami signed Jarvis Varnado and Chris Andersen for the remainder of the season to bolster the defense.