all our kids play it, right? but is it safe? some star players have a major plan to overhaul soccer safety. that includes brandi chastain from the 1999 u.s. women s world cup champion team. she s back with us along with major league soccer deputy commissioner mark abbott. thank you both for being here. brandi, this is really a passion for you. kids soccer took off after your big world cup win 15 years ago. now you and some former teammates are launching this campaign to end heading the ball for younger players under 14, i believe is what you re going for. what is the danger of heading? well, i think what the studies show is that 30% of concussions in youth soccer come from heading. repetitive heading the ball, collisions in heading situations, or falling down after those situations and hitting their head on the ground. what we also know is that the younger the players are, the