August 31, 1909 – A. J. Reach Co. patented the cork-centered baseball. Previously the balls had a hard rubber core to them. It sounds harmless enough, after all the core is buried under a leather cover and inner bindings. The stats tell a different story though.
According to ThisDayinBaseball.com the number of .300 hitters jumped from eight in 1910 to 27 a season later in the American League. The league’s earned run average will go from 2.53 to 3.34. We have heard about the corked bat, but the corked ball may have had an even bigger impact in the game. The modern ball has a core composed of cork and rubber.
To find more great daily sports history make sure to check out the Sports Jersey Dispatch and Pigskin Dispatch.
More From Sports History Network

The Incredible Rookie Class of the 1974 Pittsburgh Steelers
This episode of Pro Football in the 1970s is dedicated to the late Frank

Sports History On This Day: April 11
April 11, 1936 – The Detroit Red Wings won their first-ever Stanley Cup. The final

Where Is He? The Disappearance of Avatus Stone
This episode of “When Football Was Football” is indeed a special one. Although it

Remembering the Astrodome (The Eight Wonder of the World)
Once it was the iconic symbol of Houston. Dubbed “The Eighth Wonder of the

Sports History On This Day: April 10
April 10, 1947 – Major Historic Sports Event Here! Jackie Robinson, famously put his name in ink

Sports History On This Day: April 9
April 9, 1912 – The legendary Fenway Park has what many consider the first somewhat

Sports History On This Day: April 8
April 8 NFL Drafts We have had a few NFL Drafts take place on

Sports History On This Day: April 7
April 7, 1946 – In the first Masters Tournament played in over 4 years, American