Halloween usually litters the internet with videos of teammates pulling pranks on one another - like Goran Dragic scaring the Suns with a giant T-Rex costume - but rarely do we see coaches getting involved in the fun.

Northern Colorado's head basketball coach, B.J. Hill, decided he was going to surprise his team and dress up as Jackie Moon (Will Ferrell's character from Semi-Pro).

His players' reactions were priceless:

http://www.youtube.com/watch?v=9IYGsxNchUU