The push to protect young athletes from sportsrelated concussions may soon extend beyond high school athletic fields and into the public parks used by private leagues and clubs that cater to young children.On Friday, the legislature Commission on Education heard testimony in support of a measure that would require all youth football coaches in Indiana using municipally owned parks or fields to be trained and certified in a playersafety program backed by the National Football League.The proposed legislation would put the onus of enforcement into the hands of local governments that may risk facing lawsuits if they allow uncertified coaches to use their facilities.Among those speaking in favor of the measure was twotime Super Bowl champion Rosevelt Colvin, who now coaches third and fourthgraders on a tackle football team in Indianapolis.Colvin said the lack of good training for the volunteers who coach league and club football puts children at risk for harm. Of the 4.4 million childre