good morning. i'm marci gonzalez in for diana perez. >> i'm john muller. interesting workout outfits the president and vice president have, suit and tie. >> nice choice. i like it. that's how you go to the gym, right? >> that's exactly how i do it. well, i'll do it now that they are doing it. we'll begin this half hour with new research about head injuries suffered by soccer players. >> the result of a study from a former soccer pro who died of lou gehrig's disease at age 29. >> as abc's jim avila reports, it is shown that traumatic brain injuries may be more widespread than originally thought. >> reporter: american kids love to play soccer. long seen as the safe alternative to u.s. football. for the first time, a soccer player has been diagnosed with cte. the very same repetitive head trauma disease found in some pro football players. >> our son, patrick, was doing headers at age three. >> reporter: patrick granger died nearly two years ago. his brain donated to scientists