Michael Waltrip's rocky nine-year effort to build a successful race team was on the verge of collapse Wednesday as the organization said it will not run any cars full-time next season and released Clint Bowyer from his contract to pursue a new job for 2016. The decisions are the fallout from co-owner Rob Kauffman's recent purchase of an ownership stake in Chip Ganassi Racing. Kauffman bought 50 percent of MWR during its debut 2007 season to keep the team afloat. More...