Fans keeping JJ Watt motivated while recovering from surgery

Sep 13, 2015; Houston, TX, USA; Houston Texans defensive end J.J. Watt (99) reacts after making a sack during the first half against the Kansas City Chiefs at NRG Stadium. Mandatory Credit: Kevin Jairaj-USA TODAY Sports

J.J. Watt is always animated, active, and never likes being down.

But the Houston Texans' star defensive end underwent back surgery last week, forcing him to sit out the start of training camp.

While Watt is staying off his feet, his fans are keeping his spirits up, and he thanked them with the following note: