Chief Operating Officer of Major League Basball Rob Manfred speaks June 26 during a Memorial Tribute To Tony Gwynn by the San Diego Padres at PETCO Park in San Diego. Stephen Dunn/Getty Images hide caption

itoggle caption Stephen Dunn/Getty Images

Tony Stewart is seen Friday preparing for Sunday's NASCAR Sprint Cup Series race at Watkins Glen, N.Y. Police say no charges are pending against Stewart in the death of another driver at a nearby dirt track Saturday. Derik Hamilton/AP hide caption

itoggle caption Derik Hamilton/AP

Ambulances converge on the racetrack at Canandaigua Motorsports Park in upstate New York, where driver Kevin Ward Jr. was hit by Tony Stewart on Saturday. Logan Messerly/AP hide caption

itoggle caption Logan Messerly/AP