Che-Hsuan Lin was called into Bobby Valentine's office after the game and told he was optioned back to Pawtucket.
It seems likely that Jason Repko will be in uniform Sunday. There could be be another move, too, if the Red Sox elect to drop a relief pitcher.
Lin appeared in the ninth inning as a defensive replacement. By doing so, he became the eighth player from Taiwan to get in a major league game. That will be huge news in that baseball-crazy nation.