Xu Guiyuan is itching to be a trailblazer as MLB's first Chinese player

SARASOTA, Fla. -- The noontime sun blazes relentlessly as players from the rookie-level Gulf Coast League affiliates of the Baltimore Orioles and Boston Red Sox engage in pregame stretching and throwing. Each player has the same career goal, but the one wearing the No. 21 jersey for the Orioles undoubtedly has the most intriguing background. He's the only one wearing a microphone with a documentary crew following him. He's the only one who answers to a cartoonish nickname. He's the only one who received worldwide attention simply by signing his name on a contract....