He played parts of four seasons in Major League Baseball, between 1943 and 1947, for the Washington Senators (1943), St. Louis Browns (1943, 1945–46) and Chicago Cubs (1947).

Born in Gause, Texas, Miller posted a 4–6 record with 27 strikeouts and a 6.38 ERA in 24 appearances, including 10 starts, four complete games, and 912⁄3 innings pitched.

After spending most of the 1947 season with Double-A San Antonio, Miller had his contract purchased by the Chicago Cubs at the beginning of September.

[2] In his final outing of the year, on September 18, he gave up seven runs in 4+2⁄3 innings, taking the loss in a 9–5 defeat by the New York Giants.

[4] After concluding his playing career, Miller worked as a rural letter carrier in George West, Texas.