Both are correct.
Wash should have used someone else. But Suarez was expected to simply not give up 4 runs.
That said, if the score is still 2-0, the Angels don't score 5 runs, at least not in the manner they did. Being up 6 runs, Baltimore is going to have an entirely different approach than if they're only up 2 runs. Trout probably gets pitched differently. Ward the same.
I'm not excusing the decision to bring in Suarez. I'm just saying it's easy to say the exact scenario would have played out on offense when there's no way you could possibly know that.