He added: "The ligaments in the knee are undamaged. It's a massive relief, I was very worried when it happened.
"I thought he'd broken my leg or smashed up my knee. The pain was unbearable, I couldn't bend my knee. It was really horrible."
McManaman tackle sparks angry fracas
Left-back Haidara, 20, admits he is still in "shock" over the tackle, which he calls the worst he has seen in football, adding: "It sends shivers down my spine when I think of it."
The Frenchman said he would be prepared to meet with McManaman in the future, if he wished to apologise, and said he hoped the 21-year-old has learned his lesson and will "think twice before making a tackle like that".
Meanwhile, Premier League chief executive Richard Scudamore has insisted McManaman, 21, should have been charged by the FA for his challenge. Despite the incident happening in a Premier League match, the Football Association is responsible for the disciplinary procedures.
Scudamore said this should have been treated as an "exceptional case", which gives the power to reassess some incidents, even if seen by officials.
"I don't think anybody in the Premier League, perhaps bar Wigan, would have complained had they decided this was exceptional," he said.
"That's where the Premier League is on this, I don't think the rules need changing, I don't think the line needs moving.
"If they have the ability to deal with an exceptional incident, it looked to most of us that was an exceptional incident."
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