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.
Michigan running back Drake Johnson was run over in April by a forklift at the Wolverines' indoor track building, according to reports.
In an attempt to solve its #Pac12AfterDark problem, the league is seeking to reduce the number of late games on the Pac-12 Networks.
Recruiting reporter Derek Tyson joins ESPN's Phil Murphy to break down the incoming freshmen likeliest to make a splash in 2016.
Washington has named Jennifer Cohen as its new athletic director after she served as the interim athletic director following Scott Woodward's departure for Texas A&M.
Duke coach David Cutcliffe set the bar high when he sprung some exciting news on walk-on defensive end Danny Doyle.
Justin Fuente was given a title belt signed by WWE Hall of Famer Jerry "The King" Lawler after Fuente led Memphis to a share of the 2014 AAC title.