Twenty-four-year-old John Flaherty was at his home in West Nyack, NY, in early April preparing for a trip to Pawtucket to start his AAA season with the Boston Red Sox. It was 10.45 a.m. when he got the call. The big league club had an injury to one of their catchers, and John was going to the big leagues for the first time. It wasn't just any game; it was Opening Day at Yankee Stadium, the Yankees hosting the Red Sox at 1.00. John's toughest battle...