After the 1931 season, the Giants traded Rosenberg, along with Jack Berly, Johnny Cooney, and Joe Heving to the Double-A Indianapolis Indians in exchange for Len Koenecke.
Len Deighton | Len Pascoe | Len Chandler | Len Brown | Len Ashurst | Len Kunstadt | Len Lye | Len Janson | Len Cariou | Len Braund | Len Bias | Len Silver | Len Maxwell | Len Hutton | Len Dawson | Len Brown (comics) | Len Beadell | Len Andrews | Len Wiseman | Len Wharton | Len Wein | Len Väljas | Len Thornson | Len Stirling | Len Stevens | Len Steckler | Len Smith | Len Skowronski | Len Shackleton | Len Rix |