Boston, MA, June 27, 2013: Red Sox players Daniel Nava, Jarrod Saltalamacchia, and Felix Doubront, along with Red Sox Strength and Conditioning Coach Pat Santora, continue with the Red Sox "Calling All Kids" month. Children from Joslin Diabetes Center learn the benefits of exercise and healthy eating choices for kids with diabetes, including the stretches and workouts the players do before and after the game. Pitcher Felix Doubront points out the proper way to stretch during a practice exercise.