Transcript for Tom Brady may have suffered a concussion during last year's championship season
Tom Brady led the patriots to a super bowl victory this year. Came as a shock when his wife the supermodel Gisele bundchen said Brady suffered a concussion during the regular season. She knows her husband better than anyone else but now another voice close to Tom Brady is coming forward disputing Gisele's claims. ABC's Eva pilgrim is here with more on the story. Good morning, Eva. Reporter: Good morning, did Tom Brady have a concussion? That is still in question this morning. His agent now chiming in on what he knows about the star player's health. Brady gets hit as he throws it. Reporter: The super bowl MVP. One of the greatest quarterbacks of all time. The patriots' Tom Brady is the only quarterback in history to lead his team to five super bowl wins. Brady has his fifth. What a comeback. Reporter: But now concerned that the 39-year-old star player may have suffered a concussion in the midst of the super bowl-winning season. Brady is sacked. Reporter: His wife supermodel Gisele bundchen speaking about his possible injuries on CBS "This morning." He had a concussion last year. I mean he has concussions pretty much -- we don't talk about it. Reporter: His agent telling ESPN Tom was not diagnosed with a concussion last year. And confirming that none of those trained to spot concussions on the field reported seeing the star quarterback suffer any type of head injury. There is a great area when it comes to how the NFL handles concussions. Some of the information gathering is contingent from reporting of the player. Reporter: The question this morning did Gisele misspeak? Did the patriots not report because they didn't want Brady to miss games or did Brady share something with his wife that he didn't share with the team. It's my belief that as long as the NFL contracts are not fully guaranteed you're always going to have an issue of players not self-reporting injuries for fear of losing playing time or losing their jobs altogether. Reporter: And that's a situation Tom Brady himself knows well. He got his start for the patriots when drew Bledsoe had to sit out. The perspective of the players. If they report it they may not get back in the game. Thank you. Let's check the weather once again with rob Marciano who is
This transcript has been automatically generated and may not be 100% accurate.