JOHNSON CITY — Sporting a championship pedigree as a player and more success on the sideline, Benavia Jenkins was introduced as East Tennessee State’s volleyball coach on Tuesday. Jenkins, a two-time All-America middle blocker at Florida, was part of the 2003 Gators team that reached the national championship. She spent the past three seasons as an assistant at South Florida. Her record as an assistant coach, including stints at Coastal Carolina and Santa Fe College, is 111-55.