Martin Truex Jr. has officially announced plans to leave Earnhardt Ganassi Racing to join Michael Waltrip Racingâs NASCAR Sprint Cup organization in 2010, driving full time with the team currently working with driver Michael Waltrip. Was this a good move for Truex and for Waltrip, who will drive an additional car part time? SceneDaily.comâs Kris Johnson, Bob Pockrass and Jeff Owens discuss.