The RFA was signed to a six-year, $55.5 million contract.
The Colorado Avalanche agreed to terms with Mikko Rantanen on a $55.5 million, six-year contract, the team announced on Saturday.
Rantanen will count $9.25 million against the salary cap. He's one of the final restricted free agents to sign a contract.
The 22-year-old Finn set career highs with 31 goals, 56 assists and 87 points last season. Rantanen has 209 points in 239 NHL games.