It ended with a single, a grounder in the infield that the other kids couldn’t field efficiently enough to throw my son out at first. Some might have called it an error, except when the players are four feet tall or so, you don’t call anything an error.It ended with a good feeling, which was something that seemed far from assured not long before.There was no press conference, but if you check the transactions wire, you'll see the news. My 6-year-old has retired from baseball.This was my son’s third season of playing baseball — T-ball, to be more precise, in 2009 and 2010, and coach-pitch this year. I’ve occasionally written about it in the past. There've been moments, but it’s never been a sport that he has really enjoyed.His attitude at practice