Leeds boss Bielsa has praised the Portugal international winger and has made a very encouraging observation about him.
Bielsa told Leeds Live about Costa: “I saw a detail for him is very important. Costa was comfortable in an uncomfortable game. He was fighting every time, knowing he has better quality than this.
“At the same time, I saw his attributes. He could show these skills for the first goal in the cross.
"If the global performance was medium, we cannot say high or low, he played with experience and created hope in us. Forest game, he made a difference when he come on.”
Costa is still settling into life at Leeds and is not at his best yet, but the Wolves-owned winger will be an important player for the Whites as the season progresses.
With his experience and success in the Championship, the 25-year-old will score and create goals for Leeds this campaign.
Costa made 21 starts and 15 substitute appearances in the Championship for Wolves during the 2017-18 campaign, scoring five goals and providing six assists in the process, according to WhoScored.
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