Williams believes the current squad can handle this season's multiple challenges.
"We've now got the strongest squad I've been involved in during my time here.
"The gaffer is changing a lot in the European games which is important because people will get tired later in the season. I think the manager was aware of that when he signed some players.
"I don't know because I've never been in Europe before, but I think we have enough to deal with it."
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