ARLINGTON – Four-year-old Nick O'Brien proved why baseball will always be a kid's game. The Plano resident, who was watching his first major league game with his parents, Edie and Jeff, became the sympathetic figure of fans when he was pushed aside in the scramble for a foul ball at Ameriquest Field in Arlington on Sunday. But the ugliness had a happy ending. Nick went home with two big league bats and four baseballs. Two of the items came personally from St. Louis outfielder Reggie Sanders. "I felt in my heart I should do something," Sanders said. "You gotta remember,...