WENDY PIERRO/Acorn Newspapers TRAINING DAYS—Sean Spear, 20, does strength exercises on Monday while his trainer, Jared Edwards, looks on. Spear, two years removed from a major back injury, will play baseball at USC.
Sean Spear dove for a groundball, one of thousands he has scooped up in his life.
The shortstop extended his body across the grass infield. Then, he heard a crack in his back.
After Spear threw the ball to first for the final out of the inning during a 2007 tourna...