Ryan Yoshitomo Kurosaki (born July 3, 1952) is an American former professional baseball player whose career lasted for seven seasons (1974–1980). A right-handed pitcher, he appeared in seven games, all in relief, for the 1975 St. Louis Cardinals. Kurosaki was the first American player in Major League Baseball of full East Asian descent. Mike Lum, whose mother was Japanese, first made it to the top level in 1967. In 296 minor league games, all in the Cardinals organization and all but eight in relief, he compiled a 41–29 record with a 3.21 earned run average and 53 saves.