BBC Sport
McKenna said there were “quite a few knocks and issues” following the Norwich game but the break had given those not on international duty time for treatment.
His entire squad was not due back until Wednesday afternoon, so there will only be a short time for him to get everyone together again before the trip to Teesside.
“It’s given us time with some individuals to work a little bit more specifically on the grass. We had some 11 v 11s last week so it’s been a productive spell, more on an individual basis,” he said.
Defender Harry Clarke, who has not played yet this season because of a knee problem, is nearing full fitness and McKenna also hopes Wales midfielder Wes Burns may be back in a…
