George Decalve "Jack" McAdams (December 17, 1886 – May 21, 1937) was a Major League Baseball pitcher who played in 1911 with the St. Louis Cardinals.
Jack McAdams
| Given name: | George Decalve McAdams |
| Nicknames: | None |
| Primary Pos: | Pitcher |
| Hght/Wght: | 6'1" / 170 lbs |
| Bats/Throws: | R / R |
| Born: | Dec 17, 1886 in Bryant, AR |
| Died: | May 21, 1937 in San Francisco, CA (50 years old) |
| Debut: | Jul 22, 1911 |