Del Zotto announced the end of his playing career Wednesday.
Del Zotto was traded to the Ducks from the Red Wings on Monday in exchange for Danny O'Regan after Detroit had previously acquired Del Zotto from Florida in a swap for Giavani Smith.
Del Zotto was placed on waivers Sunday, CapFriendly reports.
Del Sotto signed a one-year, two-way contract with the Panthers on Sunday.
Del Zotto was waived by Ottawa on Tuesday in order to buy out his contract, Sportsnet's Chris Johnston reports.
Del Zotto was waived on Saturday, Bruce Garrioch of the Ottawa Sun reports.
Del Zotto was demoted to AHL Belleville on Thursday.
Del Zotto was called up to the Senators' active roster Monday.
Del Zotto landed on the waiver wire Friday, Elliotte Friedman of Sportsnet reports.
Del Zotto scored a goal on his only shot and added two hits in Tuesday's 4-2 loss to Florida.