[1] Sindelar started at quarterback for all four years of his high school career, throwing for 5,654 yards and 51 touchdowns in his first two seasons.
[4][5] Sindelar committed to play college football at Purdue University over offers from Kentucky and Ole Miss.
[9] In the 2017 Foster Farms Bowl, Sindelar completed 33 passes for 396 yards and four touchdowns, being named the game's offensive MVP.
[11][12] Entering the 2018 season, he competed with Blough for the starting quarterback role, with Sindelar being named the starter.
[20] Sindelar received a sixth year of eligibility from the NCAA; however, he opted not to return and retire from football.