WEST LAFAYETTE, IN – SEPTEMBER 20: A general view of play between the Central Michigan Chippewas and the Purdue Boilermakers at Ross-Ade Stadium on September 20, 2008 in West Lafayette, Indiana. (Photo by Ronald Martinez/Getty Images)The weekend of college football is well underway. On Friday night, two top-25 teams were on the ropes late, but both ended up with wins.No. 10 Penn State and No. 16 UCF were down, but fought back to stay undefeated on the season. Saturday’s slate of games have brought yet another upset alert.Boston College traveled to Purdue for a game against the Boilermakers. The Eagles entered the game as the No. 23 team in the country after a few impressive performances to start the season.However, the undefeated Eagles are on the ropes against the winless Boilermakers at the half. Purdue holds a 23-7 lead with one half left to play.Dellinger from 21 yards out. #BoilerUpPurdue 23, Boston College 7 | 0:05 | 2nd pic.twitter.com/HPKSeQSRLn— Purdue Football (@BoilerFootball) September 22, 2018Purdue has stifled star running back A.J. Dillon through two quarters.Can the Eagles mount a comeback and maintain their flawless record? Or will the Boilermakers finally find win No. 1 on the season after a slew of close calls?Stay tuned to find out.