Kentar Ogawa returned to professional baseball at age 30, he won the the Eiji Sawamura Award and returned to form by winning 20 games for the second time.
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. In 1969 he returned to form, winning 20 games for the second time. 
