A blockbuster federal concussion litigation is being resolved finally.

A federal judge granted preliminary approval today to resolve the deal.

The ruling was set up by the NFL agreeing to remove a previous $675 million cap on damages after the presiding judge, Anita Brody, raised questions about whether it was enough money to pay all claims.

"A class action settlement that offers prompt relief is superior to the likely alternative - years of expensive, difficult, and uncertain litigation, with no assurance of recovery, while retired players' physical and mental conditions continue to deteriorate," Brody wrote.

Over 4,500 players have filed claims, including Tony Dorsett and Jim McMahon.

"This is an extraordinary settlement for retired NFL players and their families - from those who suffer with neuro-cognitive illnesses today, to those who are currently healthy but fear they may develop symptoms decades into the future," plaintiffs' attorneys Sol Weiss and Christopher Seeger said in a statement.

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Aaron Wilson covers the Ravens for The Baltimore Sun