Beefs
No documented rap beefs.
Signed
LL Cool J
Signed
Russell Simmons signed LL Cool J as a teenager. Foundational Def Jam relationship.
Founded
Def Jam Recordings
Founded
Russell Simmons co-founded Def Jam with Rick Rubin in 1983.
Friendship
Run-DMC
Friendship
Russell Simmons managed Run-DMC. Run is Russell's brother — direct family connection.