It's amazing how a person as mild-mannered as Tim Duncan can continuously put himself in some of the most competitive contexts imaginable. A week ago, there was video of Duncan practicing some mixed martial arts, presumably to keep himself in shape with all of his newfound downtime.
Duncan, however, apparently treats everything like it's his next career.
"He's an animal." Jason Echols -- Duncan's trainer -- told Bleacher Report. " It's a different thing than what you see out on the court. The more intense the training gets, the more calm he becomes, which you've seen on the court.