New York Mets' Daisuke Matsuzaka, of Japan, pitches during the fifth inning of a baseball game against the Philadelphia Phillies, Friday, May 9, 2014, in New York. (AP Photo/Frank Franklin II)
Texas Rangers' Yu Darvish of Japan works against the Boston Red Sox in the third inning of a baseball game, Friday, May 9, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)
Texas Rangers' Yu Darvish, of Japan, stands at the back of the mound after talking with catcher Robinson Chirinos in the fourth inning of a baseball game against the Boston Red Sox, Friday, May 9, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)
Texas Rangers' Yu Darvish of Japan works against the Boston Red Sox in the sixth inning of a baseball game, Friday, May 9, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)
Texas Rangers starting pitcher Yu Darvish, of Japan, works against the Boston Red Sox in the first inning of a baseball game, Friday, May 9, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)
Texas Rangers starting pitcher Yu Darvish, of Japan, works against the Boston Red Sox in the first inning of a baseball game, Friday, May 9, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)
Texas Rangers starting pitcher Yu Darvish, of Japan, works against the Boston Red Sox in the first inning of a baseball game, Friday, May 9, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)