Sturridge headed the winner for England in midweek against Denmark.
He revealed: "During the afternoon before the Denmark game I was watching Maradona's clips to take pointers from the skills he was doing.
"There are a lot of inspirations for me. I have watched clips of so many players. I'll be watching players like Michael Owen, Paul Gascoigne, Pele, Ronaldo - all these older players who have done it before me.
"There are no guarantees I will be on the plane [to Brazil] but I am working as hard as I possibly can to make sure I will be there.
"It is important that I keep improving. For me, I can never stop improving no matter what age I am at and what club I am at. I have to push myself as hard I possibly can to get as good as I possibly can.
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