Toronto Maple Leafs

Toronto Maple Leafs acquire	Date	Florida Panthers acquire
Denis Malgin	February 19, 2020	Mason Marchment

Toronto Maple Leafs acquire	Date	Ottawa Senators acquire
Max Veronneau	February 19, 2020	Aaron Luchuk 2021 conditional 6th round pick

Toronto Maple Leafs acquire	Date	Los Angeles Kings acquire
Jack Campbell Kyle Clifford	February 5, 2020	Trevor Moore 2020 3rd round pick 2021 conditional 3rd round pick
Comment: The conditional third rounder in 2021 becomes a 2nd round pick if either Clifford re-signs with the Leafs OR Campbell wins a certain amount of games. Kings are guaranteed at least the 3rd Rd pick if neither of those conditions are met.

Toronto Maple Leafs acquire	Date	St. Louis Blues acquire
Jordan Schmaltz	July 25, 2019	Andreas Borgman

Toronto Maple Leafs acquire	Date	Vegas Golden Knights acquire
David Clarkson 2020 4th round pick	July 23, 2019	Garret Sparks

Ottawa Senators acquire	Date	Toronto Maple Leafs acquire
Nikita Zaitsev Connor Brown Michael Carcone	July 1, 2019	Cody Ceci Ben Harpur Aaron Luchuk 2020 3rd round pick

Toronto Maple Leafs acquire	Date	Colorado Avalanche acquire
Tyson Barrie Alex Kerfoot 2020 6th round pick	July 1, 2019	Nazem Kadri Calle Rosen 2020 3rd round pick

Carolina Hurricanes acquire	Date	Toronto Maple Leafs acquire
Patrick Marleau 2020 conditional 1st round pick 2020 7th round pick	June 22, 2019	2020 6th round pick

Minnesota Wild acquire	Date	Toronto Maple Leafs acquire
Fedor Gordeev	May 30, 2019	2020 7th round pick

Toronto Maple Leafs acquire	Date	Winnipeg Jets acquire
Nic Petan	February 25, 2019	Par Lindholm

Toronto Maple Leafs acquire	Date	Nashville Predators acquire
Nick Baptiste	February 24, 2019	Future considerations

Toronto Maple Leafs acquire	Date	Los Angeles Kings acquire
Jake Muzzin	January 28, 2019	Carl Grundstrom Sean Durzi 2019 1st round pick

Toronto Maple Leafs acquire	Date	Ottawa Senators acquire
Gabriel Gagne	January 11, 2019	Morgan Klimchuk

Toronto Maple Leafs acquire	Date	Florida Panthers acquire
Michael Hutchinson	December 29, 2018	2020 5th round pick

Anaheim Ducks acquire	Date	Toronto Maple Leafs acquire
Adam Cracknell	December 11, 2018	Steven Oleksy

Vancouver Canucks acquire	Date	Toronto Maple Leafs acquire
Josh Leivo	December 3, 2018	Michael Carcone

Toronto Maple Leafs acquire	Date	Calgary Flames acquire
Morgan Klimchuk	November 27, 2018	Andrew Nielsen

Dallas Stars acquire	Date	Toronto Maple Leafs acquire
Connor Carrick	October 1, 2018	2019 conditional 7th round pick

New York Islanders acquire	Date	Toronto Maple Leafs acquire
Matt Martin	July 3, 2018	Eamon McAdam

Edmonton Oilers acquire	Date	Toronto Maple Leafs acquire
Nolan Vesey	June 8, 2018	2020 conditional 7th round pick