An Sang-eon, coach of the team, said, "CEO Kim Young-min of SM Entertainment who used to play on the team donated the money to support the athletes." As American football is not a popular sport in Korea, the team receives little funding from other than the university and mostly relies on donations from former players.
SM Entertainment and the football team had already built a relationship, as players from the squad appeared in the music video for the Girl's Generation's song "Oh," in which the singers played cheerleaders at an American football game.
Source: The Chosun Ilbo
Video source: sment