Southampton boss Russell Martin says he has been waiting for his side to show the "energy" and "aggression" that they did against Leeds.
Saints, who are 10th in the Championship, beat Leeds on Saturday to end a run of four straight losses.
"It was a big improvement," Martin told BBC Radio Solent.
"I am really proud of this group for sticking together, we just have to keep learning, keep improving and tweaking things to suit us."
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Before the 3-1 win, Southampton had struggled defensively and conceded 12 goals in their four defeats.