Sterling was miles better than either player at their current age, he has been consistently one of the best wide players in Europe since he was a teenager. Whether either Saka or ESR can post up similar stats remains to be seen but if they can we would have two top players on our hands. Saka and ESR whilst young, are both very inconsistent too, far from the finished products. I like Saka and ESR but they are not better than Sterling, certainly not now and Sterling was a top level talent as a teenager. He might not be as prolific right now...but he has world class competition for starting places at City, players like him are more than good enough for us.
I'm not totally for signing Sterling, but if we did, I would play him on the right or left and move ESR to number 10 and bench Odegaard permanently.