Bottas won't stand a chance against Hamilton. He could barely beat Massa who is long past his best.
The only drivers who would give Hamilton a run for his money are Alsono, Ricciardo and Vestappen, and none of them are likely to be available.
Erm
The constructors' championship for starters.
I think you underestimate Rosberg. OK he is not Hamilton but he is still very good.
Tongue in cheek answer obviously (everyone's so serious these days...). I think the original question is doesn't it depend on the Merc requirements or brief. Why would they not want a clear number 1 and 2?
If they think they are going to dominate next year, then they (and formula 1 in general), need a battle for the championship. It's all for nothing if there is nobody to challenge Hamilton.
That may not be the case Richard. There are a few rule changes and that usually shakes things up a bit...
If they employ a relatively unknown driver sponsors won't like it. If they employ someone who's going to brush Lewis's feathers the wrong way, sponsors won't like it ( Alonso, Vettel)
Not sure the sponsor's care about Lewis's feathers overmuch.
My prediction is that Mercedes loan Wehrlin to cash strapped Williams in exchange for Bottas.. together with a load of money & a cheaper (Mercedes!) engine deal for next season...
They may be spoken for but money talks and some sort of contract buy out is always possible ,but who do you choose !
Ideally, they want a quick experienced number 2 who would finish second to HAM and not rock the boat if they need to play Ferrari/Red Bull tactics. Unfortunately, they are all spoken for.
I would quite like to see Nico Hulkenberg it a top car. He has never quite managed to get a drive in one but I still feel he has something.