The Mavericks do one of the best jobs in the league of making entertaining videos promoting their team, and this one featuring an overly-excited Dirk Nowitzki is no exception.
In an ad for Mavs season tickets, Dirk rolls through the office like a madman trying to get everyone to guess what day it is — of course, they already know, but that doesn’t derail his enthusiasm in the slightest.
[via Mavs.com]