To be fair, I think that the final positions of players are determined later in age. Surely he could've been a striker but if he was a striker in juniors it doesn't signify too much IMO. Didn't he stop quite young anyway?
Well that's true. Stopped playing at 12 I think. But did play for the Mallorcan national junior team in competitions etc. I think and was their top scorer. I don't think he'd be a defender - maybe not an out and out striker but seems like the kind of person who'd want the ball all the time - quite hyper. Defenders are usually calmer/more thinking personalities, happy to be without the ball, if they have to (sweeping generalisation of course but it's a different kind of person who plays football and is happy not to have the aim of scoring goals).