JOHNSON CITY — The Dobyns-Bennett and Science Hill girls and boys tennis teams split their Big 7 Conference matchups Tuesday at Liberty Bell Courts thanks to a gutsy effort by the Lady Indians’ Taylor Guske. Guske edged Allie Torbett 7-5, 4-6 and 10-8 in the tiebreaker at No. 4 singles, and D-B edged the Lady Hilltoppers 5-4. In the boys’ competition, Science Hill freshman Griffen Nickels set the tone at No.