Rocky Threw Apollo Creed Fight in Sylvester Stallone's Original Script – The Hollywood Reporter

Sylvester Stallone's first draft of 'Rocky' was dark — so dark his then-wife Sasha Czack hated the character.

Creed 3 not bringing back Sylvester Stallone as Rocky Balboa

Biggest Unanswered Questions In The Rocky Franchise

Sylvester Stallone says he regrets killing off Apollo Creed in Rocky IV - Mirror Online

How did Sylvester Stallone turn his script, Rocky, into a movie while he was broke? - Quora

Sylvester Stallone won't be returning as Rocky in Creed III - Mirror Online

The Legendary Insult That Accidentally Won Carl Weathers the Defining Role of Apollo Creed

Sylvester Stallone Movies: His Best Knockouts Through The Years

Inside The Most OMG Scene In Creed

Has any real life boxing champion or boxer ever challenged an unknown club fighter to a title match like Apollo Creed does to Rocky Balboa in Rocky (1976 movie)? - Quora

Rocky: An Oral History