Baseball History · On This Day On This Day: January 18 Posted on January 18, 2020 by Baseballia 1947 The Pirates buy first baseman Hank Greenberg from the Detroit Tigers for a reported $25,000 to $35,000. Greenberg led the A.L. with 44 home runs in 1946. In 125 games for Pittsburgh in ’47 he will hit 25 home runs and make it his final MLB season.