Stars forward was conscious and taken to an area hospital.
Free agency starts at 3 p.m. but Cowboys don’t have room to play.
Texas’ Opening Day starter is trying to induce weak contact instead of running up his pitch count going for strikeouts.
The Mavericks play the Sooners at Globe Life Park on Tuesday night after beating the Utes 9-3 on Monday.
The Falcons remain behind Carroll and Keller in District 4-5A.
The Hawks win 13-2 in softball.
The guard says he has his joy back playing basketball since coming to Dallas.