It's a tricky one this. While not amazing, he hasn't been terrible either.
But he has recently made significant contributions off the bench winning us points. And Emery himself has said he's happy with Watkins and Ings, they both offer something different, which is what Emery wants.
If we don't' have someone lined up we shouldn't sell, as it will leave us short.
If West Ham want him then we should be asking for £20m, otherwise they can enjoy their relegation battle.