Neither Yuki Koyama nor Tokyo Dome existed in 1981, the year the Giants are currently celebrating with their throwback uniforms.
That didn't stop the 23-year-old from giving the home crowd a show even the most old-school baseball fan could appreciate.
Koyama earned the first win of his career by outdueling fellow young hurler Yuki Kuniyoshi over seven shutout innings as the Giants defeated the Yokohama BayStars 2-1 on Friday night at the Big Egg — which opened in 1988, by the way.