Cardiff manager Erol Bulut told BBC Radio Wales:
"It was hard work. We knew it would not be easy because Wednesday had won three of their last four games.
"It was not a game where you could play nice football. Today was about fighting and running. First half maybe not so much but second half we showed team spirit, teamwork.
"At the start of the week, we had a meeting and said we had to change our work on the field and, today, we fought as a team and deserved the three points."
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