Patrick Leonard Darcy (born May 12, 1950) is a former right-handed pitcher in Major League Baseball who played for the Cincinnati Reds from 1974 to 1976.Signed as an amateur free agent in 1969 by the Houston Astros, Darcy came to the Cincinnati Reds organization in 1974 when he was exchanged for Denis Menke.Darcy is best known as the pitcher who gave up Carlton Fisk's walk-off home run in Game 6 of the 1975 World Series.