Taijuan Emmanuel Walker (born August 13, 1992) is an American professional baseball pitcher for the Arizona Diamondbacks of Major League Baseball (MLB). He previously played in MLB for the Seattle Mariners.Born in Shreveport, Louisiana, Walker's original love was for basketball, until he began playing baseball at the age of 11. Walker attended Yucaipa High School in Yucaipa, California, where he was a pitcher and right fielder, as well as a two-sport athlete. At Yucaipa, Walker was teammates with Matt Davidson, a third baseman in the Chicago White Sox organization. Yucaipa is also the alma mater of former major leaguers Corky Miller and Mark Teahen. Wikipedia