By Zach Koons The Volunteers were among the biggest risers during a weekend filled with shake-ups. Tennessee led the way for the teams that leaped up the Associated Press’s Top 25 college football rankings after a Week 7 filled with offensive shootouts between top-tier teams. The Volunteers scooted up three spots with a thrilling 52–49 victory over Alabama Saturday. The win marked the first time that Nick Saban had lost to Tennessee since taking over in Tuscaloosa and dropped the Crimson Tide to No. 6 in the latest rankings. With Georgia and Ohio State still reigning supreme, Michigan moved up…