Claim: Kentarō Ogawa returned to professional sports at age 30, he won the the Eiji Sawamura Award which was established in 1947.
Evidence: Deciding to return to professional baseball at age 30, he made his NPB debut for the Chunichi Dragons in 1964. In 1967 he went 29-12 with a 2.51 ERA and 16 complete games, winning the Eiji Sawamura Award. The award was originally established by Japanese magazine "Nekkyū" in 1947 to honor the career of Eiji Sawamura, a power pitcher who enjoyed an illustrious career for the Tokyo Giants before being killed in combat during World War II.