He lost to Clubber Lang in Rocky III as he had been fighting opponents of lesser heart and ability. Clubber had the Eye of the Tiger and had been brutally beating everyone in his path on his way to Rocky. read more
He lost his first fight against Apollo Creed in Rocky, and lost the first fight against Clubber Lang in Rocky III. He then also lost the exhibition match against Mason Dixon in Rocky Balboa. These were his on-screen losses. read more
The first film, Rocky (1976), and its five sequels centered on the boxing career of the eponymous fictional character, Rocky Balboa (Sylvester Stallone). For the seventh, Creed (2015), and its upcoming sequel, the series shifted its focus towards Adonis Creed (Michael B. Jordan), the son of Rocky's deceased rival and friend Apollo Creed (Carl Weathers), trained by a now retired Rocky. read more
He also fights a charity match with Thunderlips (Hulk Hogan) and then Clubber Lang(Mr. T.) twice, losing the first time and then winning at the end of the movie. In "Rocky IV" he fights Ivan Drago (Dolph Lundgren) and wins. In "Rocky V" he doesn't actually box, but he has a street fight with Tommy Gunn (Tommy Morrison). Finally, in "Rocky Balboa" he fights Mason Dixon (Antonio Tarver). read more