We have 3 players who can play RB, whatever standard they are we do have options there. Yes, we'd all want better but we have only one LB, so I'd say cover there is more important than a fourth option at RB.
I’d be amazed if Tim has a better career, I have seen nothing to get excited about and I actually don’t think he will be at Everton in 12 months , city and arsenal all looking at Armstrong last year and just looked really good in a team fighting...