Carl Crawford works hard
Yoon S. Byun / Globe Staff
Crawford works with trainer Lee Fiocchi to strengthen his core muscles. At 7:30 a.m., before most students have settled in at Houston Christian High, Crawford is hard at work. He reports for training four days a week, using the schools modern gymnasium, weight room and track. Fiocchi, a former college football player, has trained a number of high-profile athletes, including Patriots Brandon Meriweather and Fred Taylor. His current baseball clients include Adam Dunn, James Loney, and Chris Young.