What role do Dimaggio, Perico and Martin play In the novel "The Old Man And The Sea"

(ii) What role do Dimaggio, Perico and Martin play In the novel "The Old Man And The Sea"?

 Ans:

 Santiago loved baseball and a renowned baseball player Dimaggio. During the course of his struggle to catch the big Marlin, he is alone, tired, injured, hungry and sleepless. 
It is the second day of his struggle. He knows that the night will soon come. He begins to think of the league matches of baseball. But he does not know the result of these matches as he is far out in the sea.
Santiago has confidence about the potentialities of Dimagi . To him, Dimaggio does all things, concerning the game of  basehbal, In a perfect manner, even though he has pain of bone spur In his heel. He has gained great achievements In the baseball game or contests. He is a champion in the baseball game.
Santiago the [old man] has compares himself with his favourite baseball champion, Dimaggio, because he is, like him, also fighting against the huge fish Marlin very bravely when he has acute pain in his old back and when his hands
are badly wounded and lacerated.