Credit: Daniel Dunn-USA TODAY Sports

Big man JaVale McGee will commit himself on a three-year, $20.1MM deal with the Dallas Mavericks, league sources told Shams Charania of The Athletic.

At 34 years of age, McGee stands as one of the best energy guys and reserve centers within the league, having three NBA championships under his belt. He will leave the Phoenix Suns after averaging 9.2 points on 62 percent shooting and 6.7 boards last regular season