last year san francisco 49ers linebacker chris borland said he was retiring from football after concerns about his brain. he spoke with espn's "outside the lines." >> football is an elective. it's a game. it's make believe. and to think that people have brain damage from some made-up game is, yeah, i think the meaninglessness of it, you draw the line at brain damage. >> reporter: bryan says some of the concussions he suffered led to seizures, which at the time he tried to keep private. at first not even telling brie. >> i was with him with one of his seizures after a concussion. and i mean, it scared me so bad i just -- i lost it. >> i just implored her, please don't say anything to anybody. >> yeah. >> if i tell them if i have a concussion they're not going to let me do what i do anymore. >> i think a lot of people think that pro wrestling is fake. real? >> it's not real, and it's not fake. so the -- when you get slammed, you really get slammed. i'm helping him slam me. >> but you're getting injured. >> yes. >> reporter: last year he was sidelined with injury. >> wwe's doctor said i can

fans from shocked when chris borland quit after several concussions in his first season. and the league settled a lawsuit from former players suffering from mental illness and depression. the n.f.l. says it's making the game safer with awareness rule changes and technology. >> that may be so say critics, but too many players are getting injured. >> we are having a conversation about what is the future of football. the big change that we need is kids shouldn't play, this is an adult game. it is dangerous, and you can't be hitting 5-year-olds in the head. under a miz take teek that we are teaching them. >> amid the growing awareness and growing publicity, fewer players are taking to the field as parents keep them home or send them to riskier pass times. there's no doubt the country's favourite sport has to change if it's to continue to be as popular as it was >>> england take a 2-0 leave in the series in south africa. they didn't have too many problems chasing down the home side's 252. alex hale top scoring with 99. josh butler and ali saw them home. they smashed 42 off 48

fans were shocked when a player chris borland quit in his first season after several concussions. a lawsuit was settled in relation to players suffering mental illness and depression. too many young players are getting injured and that has to change says critics >> we're having a big national conversation in this country about what is the future of football and the big change we need is that kids shouldn't be playing any more. we have to accept it is an adult game and it's very dangerous. >> reporter: amid the growing awareness and publicity about head trauma, fewer players are taking to the field these days as parents keep them home or send them to less riskier pastimes. there's no doubt this country's favorite sport has to change if it is to continue being as popular as it was. >> reporter: a lead in the one day international series against south africa. they didn't have too much problem chasing down 262. there was a stop score the 99. there was a smashing 48 off 42 balls. england won by five wickets. after the third round the dubai classic, rory mcelroy almost stayed in front,

fans were shocked when a player named chris borland quit in his first season after concussions. then the league settled a lawsuit from former players. n.f.l. says it's making the game safer with rule changes and technology. that may be so, but too many young players are getting injured says critics and that has to change >> we are having a big conversation in this country about the future of football, the big change that we need is that kids shouldn't be playing any more. we have to accept it's an adult game, it's very dangerous and weep can't be hitting five year olds in the head under some disbelieve that they couldn't learn any other way >> reporter: fewer players are taking to the field these days as parents keep them home or send them to less riskier pastimes. there's no doubt this country's favorite sport has to change if it's to continue being as popular as it was. >> reporter: england have taken a two nothing lead in their one day international series against south africa. they didn't have too many problems chasing down the home side 262. hales top scoring at 99. butler