Erwin Arthur Renfer (December 11, 1891 – October 26, 1957) was an American baseball pitcher from 1910 to 1915.
[3] In May 1911, the Tigers assigned Renfer to play with the Saginaw Krazy Kats club of the Southern Michigan League.
[1] In January 1912, Frank Navin, president of the Detroit Tigers, announced that the team had given Renfer his outright release.
[2] After his short stint with the Detroit Tigers, Renfer played two seasons in the Southern Association.
He concluded his professional baseball career in 1915 with the Memphis Chickasaws, compiling a 2–2 record in eight games.