Tulsa Prep Minor Baseball Information Tulsa Prep Minor Baseball is currently accepting registrations for youth baseball teams in 6th, 7th, and 8th grades. Regular season games start March 31st, 2008 so please register early. Tulsa Prep Minor Baseball Registration Team registration fee: $1300.00 Registration fee includes: 15 Games, Baseballs, Umpires, Field Usage, and Trophies. Please contact Sandy Walker at 918.299.3760 to register or for more information. Tulsa Prep Minor Baseball Coaching All coaches must be NYSCA certified. The City of Tulsa will also be performing a background check on all potential coaches. Tulsa Prep Minor Baseball Facilities All Tulsa Prep Minor Baseball regular season games and tournaments will be held at Bales Park in Tulsa at 5801 S. Union Avenue. Bales Park is a 67.5 acre baseball complex located on Union Avenue between 61st Street South and Highway 44. Facilities include four baseball diamonds with grass infields, concession stand, and restrooms.