Oscar E. "Reddy" Foster (August 1864 – December 19, 1908) was a Major League Baseball (MLB) player for the New York Giants in 1896.

Oscar E. Foster, nicknamed Reddy, was born sometime in August 1864 in Richmond, Virginia.

[1] In 1890, he played 27 games as an outfielder for the Lebanon, Pennsylvania, entry in the Eastern Interstate League.

[2] In 1894, Foster joined the Richmond Crows of the newly-formed Virginia League, excelling at the catcher position according to baseball historian Frank Russo.

He also played for the Waterbury Rough Riders and the New London Whalers, though his statistics from these teams are not recorded.

[4] Foster's statistics with Tarboro and the Davenport River Rats of the Illinois-Indiana-Iowa League, for whom he played in 1902, are unavailable.

[2] Foster managed several of his teams, most notably one located in Bluefield, West Virginia.

[3][2] His time with Portsmouth ended after his first baseman dropped a pickoff throw that would have retired the baserunner by several feet.

Enraged at his fielder's incompetence, Foster took off his catcher's gear and left the baseball field, never to play again.

"[3] When his teams lost, he would scream and shout at his wife, Mary, while making ominous gestures.

"[3] Putting the shotgun under his chin, he set off the trigger with his foot, dying instantly at the age of 44.