Blankenship scored from two yards out the put the Bobcats (2-1) up 31-17 early in the fourth.
The Thundering Herd (2-1) came right back as Rakeem Cato threw a 38-yard touchdown to Gator Hoskins, then forced Ohio to punt on the ensuing drive, but Cato was intercepted by Devin Bass on the next play.
Following a field goal by Ohio, Cato rushed for a touchdown to cut the deficit to three, but the following onside kick was recovered by the Bobcats to seal the game.
Tettleton was 25-for-38 with a touchdown and Matt Waters had 83 yards on six receptions.
Cato finished 30 of 44 for 367 yards for Marshall.
Tommy Shuler caught 9 passes for 95 yards receiving while Hoskins had 81.
Corey Robinson is returning for his senior year on the gridiron at Notre Dame while also assuming the responsibilities of student-body president.
Baylor will hire more counselors and provide additional training for faculty in an effort to improve the school's response to sexual assault incidents, school regents said Friday.
Answering questions about the hype around two young quarterbacks, whether Stanford will sooner or later fall back into mediocrity and more.
FOX Sports' Clay Travis joins The Paul Finebaum Show to discuss the possibility of losing Tigers football to budget cuts.
The Naismith Memorial Basketball Hall of Fame announced 14 finalists for the Class of 2016 on Friday, including Allen Iverson, Tom Izzo, Shaquille O'Neal and Yao Ming.
Discussing the transfer of Barry J. Sanders to Oklahoma State, what the latest staff movement means for Charlie Strong and TCU's linebacking corps.