Anaheim placed Tropp on waivers Thursday, Renaud Lavoie of TVA Sports reports.
Tropp was sent back to the AHL's San Diego Gulls on Tuesday.
The Ducks recalled Tropp from AHL San Diego on Wednesday.
Tropp was reassigned to AHL San Diego on Sunday, Eric Stephens of the Orange County Register reports.
Tropp was called up from AHL San Diego on Friday.
Tropp has re-signed with the Ducks.
Tropp was sent to AHL San Diego on Monday, Eric Stephens of the Orange County Register reports.
Tropp was promoted to the Ducks from AHL San Diego on Saturday, The Orange County Register reports.
Tropp was traded to the Ducks on Monday in exchange for Tim Jackman and a seventh-round pick in 2017, TSN's Frank Seravalli reports.
Tropp was acquired Tuesday by the Blackhawks along with forwards Marko Dano, Artem Anisimov, Jeremy Morin, and a 2016 fourth-round draft pick. In return, the Blue Jackets will receive forwards Brandon Saad, Alex Broadhurst, and defenseman Michael Paliotta.