Santorelli will retire from professional hockey due to injury, Paul Hendrick of Leafs TV reports.
Santorelli is heading overseas to continue his professional career after agreeing to terms on a contract with Geneva Servette of the Swiss League on Monday, Ken Wiebe of the Winnipeg Sun reports.
Santorelli (undisclosed) notched an assist and logged 9:59 of ice time in the Ducks' final game of the regular season Sunday against Washington.
Santorelli (undisclosed) won't suit up for Saturday's game against the Avalanche, Helene Elliott of the Los Angeles Times reports.
Santorelli found twine twice Monday in a 6-4 matinee win over Calgary.
Santorelli scored the game-winning goal against the Sharks on Friday.
Santorelli did not have a November to remember, as he finished the month with one goal and no assists.
Santorelli scored his first of the season in Anaheim's 4-1 win over Minnesota on Sunday.
Santorelli signed a one-year, $875,000 contract with the Ducks on Monday.
Mike Santorelli has inked a one-year deal with the Toronto Maple Leafs worth $1.5 million.
He registered 10 goals and 28 points in 49 games with the Vancouver Canucks last year. Santorelli's season ended prematurely because of a shoulder injury that required surgery in late January. He can play on the wing or at center and will occupy a bottom-six role with the Leafs in 2014-15.