While they lost 1-0, results on Saturday saw the Bees safe from the drop.
Collins said: "It was a fairly even game I think. There weren't a lot of chances for either side. It was always going to be a tough game."
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On Jordan Pickford's save from Bees striker Ivan Toney: "It was a great save, you need to take chances like that if you want to come to places like this and get a result.
"It's been a tough season with a lot of setbacks but it's great to be staying up."