The TCU women’s tennis team remained perfect in the Big 12 with a 5-2 victory over visiting Kansas State.The Frogs are 15-2 for the season and 4-0 in league play.Monika Sirilova extended her winning streak to eight matches and upped her Big 12 mark to 4-0.Stefanie Tan beat a ranked opponent for the fifth time this season. • Men’s tennis: TCU opened Big 12 play with a 7-0 victory at Oklahoma State.The Frogs are 16-5 for the season.Rodolfo Bustamante won his fifth straight match and Orlando Superlano improved to 16-3 this spring.It was also the eighth time TCU had shut out an opponent this season.UT Arlington roundup • Women’s tennis: UTA beat visiting New Mexico State 4-0 in WAC play. The Mavericks are 5-10 for the season and 4-2 in league play. • Softball: UTA fell at New Mexico State 5-1 in WAC play. The Mavericks fall to 17-17 for the season and 2-5 in league play.Rutgers AD resignsRutgers’ coaching scandal spiraled deeper, bringing down the popular athletic director and a school vice president while donors threatened to cut off their contributions to the school.The day of mounting troubles for the school began with athletic director Tim Pernetti resigning over his failure to immediately fire coach Mike Rice, who was caught on video hitting, kicking and taunting players with anti-gay slurs at practice.Miami probeFormer Miami quarterback Kyle Wright’s testimony to the NCAA is part of the reason the Hurricanes want the case against their athletic department dismissed.In the motion filed last week with the NCAA’s Committee on Infractions, Miami cited six allegations that Wright helped investigators substantiate in a February 2012 interview.But Miami contends that because some of the questions were asked by now-retired NCAA investigator Rich Johanningmeier, at least some of Wright's testimony should not have been included in forming the notice of allegations that the Hurricanes received in February.