(Photo: Jack Simon/WCSN) TEMPE – It had to be Vivian Ovrootsky. On Senior Day, it was only fitting that the lone graduate student, undefeated through 16 spring contests and the Energizer Bunny of No. 14 ASU women’s tennis (17-4, 9-2 Big 12), clinched the sweep 4-0 over No. 65 Colorado (10-11, 2-9