JOHNSON CITY — Six practices isn’t enough time to form any permanent impressions, and East Tennessee State football coach Randy Sanders says his team’s quarterback position is still up for grabs. Several players are vying to replace the graduated Austin Herink. Trey Mitchell and Cameron Lewis, holdovers from last season, join transfers Cade Weldon (Miami) and Chance Thrasher (Coastal Carolina) and three freshmen in trying to get the coaching staff’s attention.