Danny Kittner joined the University of Mary in 2018. As a freshman, he appeared in 11 games and caught 27 passes for 257 yards and three touchdowns. The following season, Kittner finished with a 46-685-3 stat line as a receiver, while adding 689 kick return yards (23.0 per return) and 147 punt return yards (13.4 per return). The University of Mary did not play in 2020 due to the pandemic.
When the University of Mary returned to play football in 2021, Kittner put up 128 receptions for 1723 receiving yards and 18 touchdowns. He wasn't as efficient returning kicks, but did surpass 500 kick return yards in 11 games. For his final season in 2022, Kittner caught 90 passes for 986 receiving yards and five touchdowns and added 624 kick return yards (26.0 yards per return) and one touchdown. Kittner's 2021 season was one of the greatest statistical seasons ever in NCAA Division II.