TONKAWA — The 12th ranked Northern Oklahoma College baseball Mavericks swept the Oklahoma Christian JV in a doubleheader Tuesday at Maverick Field. The Mavs (7-0) won the opener 8-4 and the nightcap 7-1. After seven games, coach Ryan Bay likes what his team has accomplished in the early portion of the schedule. “We’ve been solid to this point,” Bay said. “The defense has played a little above…