We can only speculate they are already met twice so they know what to look on their opponents, but what I noticed in this fight is he is slow very slow now, very slow compared to his last few fights maybe because of the age or strategy, the third match could be very different this time Canelo will be the heavy favorite but I'm not counting out GGG yet, his chin is a big factor, and he is a good candidate to beat Canelo compared to the present crop of challengers.
Yup, GGG was too slow in his fight with Murata but fortunately for him, Murata was much slower than him that's why he had some success in the later rounds as the accumulation of punches on the head has taken its toll on Murata.
I would say that his chance of beating Canelo is so slim not like in the first and the second fight where the odds are almost even.
He was slow but he was strong enough to absorb the punches of Murata, as if nothing happens to him and Murata's power is not that strong to knock him out. I think GGG still has it, if he will face Canelo, I think it will be a great fight and I don't expect he would lose via KO if he will lose.