University of Hawaii lefty Derek Tatsuno, selected in the 2nd round of the June draft by the Padres, signs with a subsidiary of the Seibu Lions for $750,000. Tatsuno, of Japanese-American descent, set an NCAA record of 20 wins (in 22 starts). He will finally sign with the Milwaukee Brewers, who select him in January of 1982 but he will be ineffective in the minors.

On July 5, 1979 University of Hawaii lefty Derek Tatsuno, selected in the 2nd round of the June draft by the Padres, signs with a subsidiary of the Seibu Lions for $750,000. Tatsuno, of Japanese-American descent, set an NCAA record of 20 wins (in 22 starts). He will finally sign with the Milwaukee Brewers, who select him in January of 1982 but he will be ineffective in the minors.

Source
Baseball Reference July 5