Couldn't Bale play that 2nd striker role? Especially in transition out of that 442ish defensive shape, that Kazi mentioned in his write-up? I can see it work here in a counterattacking set-up, in a more open game, I'd agree that it could be a bit of a problem, but then I'd say he would miss someone like Rui Costa more than a 2nd striker.He would do the job here, I don't have much doubt in it. As I said he's so complete that he would play in most roles and do well, just that you won't get THE Batigol who was that complete powerhouse. In particular his impact when he dropped deep, whether bring others into play or surprising the keeper with that absolute rocket of a shot he had, like he did to Schmeichel.
I'd say a bit similar to Ibra. Not many would have a problem with Ibra as a lone striker, but if you want to impact the game with all his skills it's much better to have another striker alongside him who occupies the penalty area most of the time and gives him the freedom. That was one reason I was excited about the Cavani transfer.