EDMOND – Central Oklahoma opened Spring football this week with the Bronchos taking the field for the first of 15 offseason practices. UCO has 95 student-athletes on the Spring roster as the Bronchos work through strength & conditioning, drills and intrasquad matchups in practice. Central is holding practice each Monday, Wednesday, and Friday afternoon through the end of April. “We’re excited to be on the field for Spring football,” UCO head football coach Adam Dorrel said. “We have a good group of guys that are returning, we’ve got some good veteran leadership, and we’ve got some new guys that are…