John Stewart, who owns Resolute Racing and founded MiddleGround Capital, will sponsor two Keeneland dirt sprint stakes which will be run opening weekend of the Spring Meet, the track said in a release on Thursday. Resolute Racing will add its name to the $600,000 GI Madison S. which will run on Saturday, Apr. 6, while MiddleGround Capital will sponsor the $400,000 GII Beaumont S. on Sunday, April 7. "My partner Scot Duncan and I have always enjoyed taking our family, friends, co-workers and investors to the races at Keeneland," Stewart...