LSU jumps to No. 6; Wisconsin tumbles from top 10

LSU players celebrate after they defeated Auburn on a last second field goal during the second half of an NCAA college football game, Saturday, Sept. 15, 2018, in Auburn, Ala. LSU won 22-21. (AP Photo/Butch Dill)

LSU surged to No. 6 in The Associated Press college football poll after its second victory of September against a highly ranked team, and Wisconsin tumbled to No. 18 after becoming the first top-10 team to be upset by an unranked team.