Nowitzki: "always be a Mavs fan, but this trade really hurt."

"I was so stunned that I just put everything aside," the Hall of Famer said. "We were supposed to go for a quick lunch with the family before flying out, but instead, I sat in my room for an hour, scrolling through X, trying to figure out if it was real."

Nowitzki added that he'll "always be a Mavs fan, but this trade really hurt."