Erwin Renfer

Erwin Arthur Renfer (December 11, 1891 – October 26, 1957) was an American professional baseball pitcher from 1910 to 1915. He compiled a 61–35 record in 131 minor league games, In May 1911, the Tigers assigned Renfer to play with the Saginaw Krazy Kats club of the Southern Michigan League. At age 19, Renfer appeared in 34 games and compiled a 15–10 record for Saginaw during the 1911 season.

Renfer spent most of the 1912 and 1913 seasons playing for the Ottawa Senators in the Canadian League. He appeared in 52 games for Ottawa, compiling a 34–10 record in 1912 and 1913. He also appeared in six Central League games for the Fort Wayne Railroaders during the 1912 season. In his sole appearance in Major League Baseball, on September 18, 1913, Renfer pitched six innings and gave up four earned runs for a career earned run average of 6.00.

After his short stint with the Detroit Tigers, Renfer played two seasons in the Southern Association. In 1914, he appeared in 31 games for the Nashville Volunteers and compiled a 9–11 record. He concluded his professional baseball career in 1915 with the Memphis Chickasaws, compiling a 2–2 record in eight games.