I don't think the parents should be promoting the player primarily. The player should follow coaches, who often will follow them back. Kids typically have many more followers than the parents and thier friends will retweet the kids tweet and that has a wide reach. I have seen parents sending out all tweets about their kid and performance and to me it seems that if the kid doesn't do it, then how invested is he in his own recruitment. I do agree with 22and25 that a parent retweeting a tweet about their kid is great.