The conversion followed Sasek's 3-yard touchdown pass to Jones to complete a 3-play, 51-yard drive, set up when the Fightin Blue Hens recovered an onside kick.
Delaware (7-2, 4-1 Colonial Athletic Association) cut the lead to seven just 29 seconds earlier when Sasek (34 of 46, 330 yards) found Michael Johnson open for an 11-yard score.
Towson (8-2, 4-2) led 31-10 after a Drew Evangelista 25-yard field goal at 14:31 of the fourth quarter.
Delaware started its comeback with a 56-yard drive, capped by Jalen Randolph's 1-yard touchdown run to cut the score to 31-17.
Towson's Terrance West added to his nation-leading totals in both rushing yardage and touchdowns with 206 yards and 2 TDs -- his third 200-plus yard game this season.
Senior Jake Rudock started for the Wolverines on Thursday night in the opener against Utah. Michigan coach Jim Harbaugh had kept it a secret all preseason on who would be Michigan's starter.
Ohio State quarterback Cardale Jones is "doing fine" after he was released from the hospital Wednesday night after being treated for symptoms related to a migraine headache.
East Carolina receiver Trevon Brown will miss three games after being placed on probation for a violation of the school's student code of conduct.
Five Rutgers players were suspended Thursday after home-invasion and assault charges, another jolt to a program whose coach is embroiled in an ongoing academics-related probe.
Nebraska coach Mike Riley announced the suspensions Thursday of five players, including three key contributors, for the Cornhuskers' season opener Saturday against BYU.
The Florida Gators will start Treon Harris at quarterback in Saturday's opener vs. New Mexico State over redshirt freshman Will Grier, coach Jim McElwain said Tuesday.