He said so the week before the Super Bowl.
His head coach echoed that on Tuesday morning.
"J.J.'s doing great," Bill O'Brien said. "He's really looking forward to being back in Houston in a couple weeks. He's definitely on track to be ready to go."
O'Brien spoke to the media gathered in Phoenix, Arizona for the Annual League Meeting. Watt, who missed all but the first three games of last season due to back surgery, announced in February that his rehab was finished. The Texans defensive end said he was focused on strengthening his core muscles and training for the upcoming season.