Benjamin Norman "Murphy" Greenberg (June 30, 1907 – October 22, 1984) was an American football player.

A native of New York City, Greenberg moved to Leonia, New Jersey at an early age.

He played college football as a halfback and fullback for Rutgers University from 1927 to 1929.

[1] He then played professional football in the National Football League (NFL) as a fullback for the Brooklyn Dodgers in 1930.

[2] He died in 1984 in Fort Lee, New Jersey.