Brent Yarina, BTN.com Senior Editor, December 28, 2016

How excited was Tom Izzo about Michigan State's overtime victory Tuesday night at Minnesota?

So excited, he had his mother, Dorothy, 90, join the locker room celebration.

The Spartans, in particular leader Tum Tum Nairn, were thrilled to see Dorothy following their 13-point comeback in the Big Ten opener.

Watch the celebration below.