Sudoku answer:

Connections Answers:

Yellow: DU Building Namesakes (Burns, Burwell, Reed, Daniels)

Green: DU Hockey National Championship team’s last names (Behrens, Webster, Harris, Davis)

Blue: Hockey Terms (Biscuit, Cheese, Chirp, Bucket)

Purple: Words that start with DU (Dutch, Duck, Duel, Dusty)