According to a tweet Monday evening, Becker associate head coach Walter Sullivan passed away earlier in the day.
It is with great sadness that we inform you that Associate Head Men’s Hockey Coach Walter “Sully” Sullivan has passed away.
— Becker Athletics (@BeckerAthletics) May 1, 2017
Sullivan graduated from Merrimack in 1978. According to HockeyDB.com, Sullivan also coached at Framingham State and had been at Becker since the start of the program in 2007-08.