Dirk Nowitzki Heroes Celebrity Baseball batting practice at Dr. Pepper Ballpark in Frisco, June 7, 2018.

Dallas Mavericks Dirk Nowitzki takes batting practice at Dr. Pepper Ballpark in Frisco, TX, Thursday, June 7, 2018. The Dirk Nowitzki's 2018 Heroes Celebrity Baseball Game is set for Friday, June 8, at 6:30 p.m. at the Dr Pepper Ballpark in Frisco.