Toronto Defiant is the team representing Toronto, Ontario, Canada in the Overwatch League. The team is owned by OverActive Media, an integrated company delivering esports and video game entertainment. The team was founded by OverActive Media and Splyce, with the team being operated by the Splyce organization.
- September 7th - The Toronto Overwatch League franchise is officially announced alongside 6 new expansion teams for the 2019 season. Toronto also announced that Chris Overholt will be the franchise's new CEO and President. Overholt was previously the CEO of the Canadian Olympic Committee.
- September 10th - Bishop is announced as the Head Coach of the team.
- October 24th - The name and branding of the Toronto franchise is officially announced to be the Toronto Defiant. The official press release reveal three new members of the coaching staff: Assistant Coach Bubbly, Strategic Coach Don and Analyst Barroi.
- October 27th - envy and Neko join the team.
- October 29th - Ivy and Stellar join the team.
- October 30th - Aid and Yakpung join the team.
- November 27th - RoKy and Asher are announced to have joined the team as the final two members.
- January 16th - Teabubbles is announced as the team's Facilities Manager.
- February 11th - Toronto Defiant adds KarQ as a team streamer.
- February 13th - Vortex joins the organization as Community Manager.
- March 18th - Facilities Manager Teabubbles leaves for the Los Angeles Valiant.
- April 2nd - Strategic Coach Don leaves the team.
- April 3rd - Stellar retires from professional Overwatch due to personal reasons.
- April 4th - im37 joins the team.
- May 21st - Gods and sharyk are promoted from Montreal Rebellion.
- May 29th - Asher retires from professional Overwatch.
- June 18th - envy joins the Shanghai Dragons.
- June 27th - Bell Canada announced as a founding sponsor. 
- June 28th - Logix is promoted from Montreal Rebellion.
- June 28th - Mangachu joins the team.
- July 20th - Optidox is promoted from Montreal Rebellion as an Assistant Coach.
- July 26th - Mobydik joins the team as Assistant Coach.
- July 26th - Assistant Coach Bubbly leaves the team.
- August 7th - Head Coach Bishop leaves the team.
- September 12th - Assistant Coach Optidox leaves the team.
- October 7th - Gods leaves the team.
- October 8th - sharyk, Aid and im37 leave the team.
- October 9th - RoKy becomes a two-way player with Montreal Rebellion. 
- October 16th - Yakpung leaves the team,  later this day, Féfé joins as Head Coach. 
- October 23rd - KariV joins the team. 
- October 27th - Mobydik leaves the team. 
- October 28th - Lilbow joins as Strategic Coach.
- October 29th - Agilities joins the team. 
- October 30th - Ivy joins the Philadelphia Fusion.  Beast joins the team from Fusion University. 
- October 31st - Neko leaves the team. 
- November 4th - Surefour joins the team. 
- November 5th - Kellex joins the team. 
- November 6th - Albless joins the Toronto Defiant and Montreal Rebellion as Team Manager and Assistant Coach 
- November 7th - Nevix joins the team. 
|7||RoKy (Two-way)||Jooseong Park||Support||2018-11-27 |
|22||Logix||Andreas Berghmans||DPS||2019-06-28 |
|51||Mangachu||Liam Campbell||DPS||2019-06-28 |
|8||KariV||Youngseo Park||Support||2019-10-23 |
|Agilities||Brady Girardi||DPS||2019-10-29 |
|Beast||Adam Denton||Tank||2019-10-30 |
|Surefour||Lane Roberts||DPS||2019-11-04 |
|Kellex||Kristian Keller||Support||2019-11-05 |
|Nevix||Andreas Karlsson||Tank||2019-11-07 |
|#||ID||Name||Role||Join Date||Leave Date||New Team|
|79||Neko||Sehyeon Park||Support||2018-10-27 ||2019-10-31 |
|2||Ivy||Seunghyun Lee||DPS||2018-10-29 ||2019-10-30 ||Philadelphia Fusion|
|1||Yakpung||Gyeongmu Jo||Tank||2018-10-30 ||2019-10-16 |
|37||im37||Jin-ui Hong||DPS||2019-04-04 ||2019-10-08 |
|6||Aid||Jaeyoon Go||Support||2018-10-30 ||2019-10-08 ||Paris Eternal (Assistant Coach)|
|77||sharyk||Normunds Faterins||Tank||2019-05-21 ||2019-10-08 |
|11||Gods||Daniel Graeser||Tank||2019-05-21 ||2019-10-07 |
|10||envy||Kangjae Lee||Tank||2018-10-27 ||2019-06-18 ||Shanghai Dragons|
|8||Asher||Junsung Choi||DPS||2018-11-27 ||2019-05-29 |
|52||Stellar||Dohyung Lee||DPS||2018-10-29 ||2019-04-03 ||Boston Uprising|
|Chris Overholt||Chris Overholt||CEO & President||2018-09-07 |
|lazerchicken||Marty Strenczewilk||Co-Founder||2018-09-07 |
|Jae||Jaesun Won||General Manager||2018-09-07 |
|Chandi||Navneet R.||Sr. Manager of Community Programming||2019-06-22 |
|Féfé||Félix Munch||Head Coach||2019-10-16 |
|Lilbow||David Moschetto||Strategic Coach||2019-10-28|
|Albless||Alban De La Grange||Team Manager/Assistant Coach||2019-11-06|
|Barroi||Dennis Matz||Analyst||2018-10-24 |
|KarQ||Nathan Chan||Streamer||2019-02-11 |
|Yoon||Yoon Kim||Translator/House Manager|
|#||ID||Name||Position||Join Date||Leave Date||New Organization|
|Mobydik||Sim Seung-bo||Assistant Coach||2019-07-26||2019-10-27 ||Philadelphia Fusion (Assistant Coach)|
|Optidox||Matthew Sims||Assistant Coach||2019-07-20 ||2019-09-12 |
|Vortex||Arik||Community Manager||2019-02-13 ||2019-??-??|
|Bishop||Beomjoon Lee||Head Coach||2018-09-10 ||2019-08-07 |
|Bubbly||Yunho Cho||Assistant Coach||2018-10-24 ||2019-07-31 |
|Don||Dongwook Kim||Strategic Coach||2018-10-24||2019-03-18 ||Lucky Future (Head Coach)|
|Teabubbles||Debbie Chun||Facilities Manager||2019-01-16 ||2019-03-18||Los Angeles Valiant (Manager & Translator)|
- 2018-10-30 | Talking Toronto Defiant with Splyce co-founder Marty Strenczewilk by Cass Marshall of Heroes Never Die
- "Launching An Overwatch League 2019 Expansion Franchise". Splyce. 2018-09-07.
- "OVERWATCH LEAGUE TO OPEN 2019 SEASON WITH 20 TEAMS". Overwatch League. 2018-09-07.
- "Equal parts mentor, visionary, and legend. ✊ @BishopOW". Toronto. 2018-09-10.
- "Toronto Defiant #RiseTogether". Toronto Defiant. 2018-10-24.
- "PRESENTING THE TORONTO DEFIANT". Overwatch League. 2018-10-24.
- "TORONTO DEFIANT LAUNCHES AS CANADA'S NEWEST PROFESSIONAL ESPORTS TEAM" (PDF). 2018-10-24. Retrieved 2018-10-24.
- "Boom. Your first two Toronto Defiant players. #RiseTogether". Toronto Defiant. 2018-10-27.
- "Your Toronto Defiant roster continues to grow.". Toronto Defiant. 2018-10-29.
- "Two more. ✊". Toronto Defiant. 2018-10-30.
- "Roster 👉 Locked. @asher_ow & @OW_RoKY round out your Toronto Defiant ✊". Toronto Defiant. 2018-11-27.
- Teabubbles joins
- KarQ Streamer
- Vortex community manager
- "Please give a #VALLA welcome to our new Team Manager and Translator, @Teabubblesx!". Los Angeles Valiant. 2019-03-18.
- "Today we bid farewell to our Strategic Coach, @DonOverwatch. Dongwook helped us tremendously in our underdog run throughout Stage 1 in #OWL2019.". Toronto Defiant. 2019-04-02.
- "Today we announce the retirement of Do-hyung "Stellar" Lee.". Toronto Defiant. 2019-04-03.
- "Graduating fresh out of NA Contenders and speed-running his way into your hearts and the Path to Pro, please join us in welcoming our new DPS player for @TorontoDefiant, @im37_ow!". Toronto Defiant. 2019-04-04.
- "Please give a warm welcome to our new tank duo, @gods_live and @sharykOW!". Toronto Defiant. 2019-05-21.
- "Today we sadly announce the retirement of Joon-seong "Asher" Choi.". Toronto Defiant. 2019-05-29.
- "We’re happy to announce Kangjae “Envy” Lee joining the Shanghai Dragons from the Toronto Defiant.". Shanghai Dragons. 2019-06-18.
- "Today we announce Lee "Envy" Kangjae's transfer to the @ShanghaiDragons.". Toronto Defiant. 2019-06-18.
- "We’re proud to announce Bell as our founding partner.". Toronto Defiant. 2019-06-27.
- "Today we call up another from @MTLRebellion. Making his way back into the big leagues, please welcome @LogixOW to the team!". Toronto Defiant. 2019-06-28.
- "Canada, we've got an early #CanadaDay present for you! Please welcome our new DPS player, Canadian born and raised, @Mangachu_!". Toronto Defiant. 2019-06-28.
- "We're excited to promote another from @MTLRebellion. Today we welcome @Optidox as an assistant coach!!". Toronto Defiant. 2019-07-20.
- Toronto Defiant (2019-07-26). "Please join us in welcoming @mobydik_ow to our coaching staff as an assistant coach!".
- Toronto Defiant (2019-07-31). "We would like to announce that Yun Ho "Bubbly" Cho will be moving on from Toronto Defiant coaching team.".
- "Our coaches Matthew “Optidox” Sims, Sungbo “Mobydik” Shim, and Dennis “Barroi” Matz will take over coaching responsibilities for the remainder of the season. Head Coach Beoumjun "Bishop" Lee has been relieved of duties, effective immediately. We thank him for his contributions.". Toronto Defiant. 2019-09-07.
- "We would like to announce that Matthew "Optidox" Sims will be moving on from his position as an Assistant Coach with the team.". Toronto Defiant. 2019-09-12.
- "Thank you Gods for your time with us during our inaugural season in #OWL2019 - Your leadership, humor and hard work meant so much to us, your teammates and your fans and we wish you nothing but the best in your future!". Toronto Defiant. 2019-10-07.
- "We want to thank @sharykOW for your quiet strength, determination and positivity in your time with Rebellion and Defiant. Thank you for stepping up for us during the Season and we wish you nothing but the best.". Toronto Defiant. 2019-10-08.
- "From the whole Defiant family, staff and fans, we want to say how much @Aid_OW meant to us through our inaugural season. From when he stepped up and filled in for Neko during Stage 1 till he stepped onto the court to learn tennis at Tennis Canada. Thank you for everything.". Toronto Defiant. 2019-10-08.
- "You did the fastest run into our fan's hearts @im37_ow and we don't think anyone will ever beat your Path to Pro record. Definitely @itsmelimmy will never forget the only player to dominate him in the mic game, because we won't let him. We wish you the best Jinui.". Toronto Defiant. 2019-10-08.
- "We're pleased to announce @OW_Roky will be staying home with us on Defiant as well on @MTLRebellion as a 2-way player in 2020!". Toronto Defiant. 2019-10-09.
- "We want to thank @yakpung for being our shield throughout our inaugural season. Thank you for your hard work and dedication to the team and our fans. Thank you for being part of our family Kyeongmu and we wish you nothing but the best.". Toronto Defiant. 2019-10-16.
- "Please join us in welcoming Felix "Féfé" Munch as Defiant's new Head Coach!". Toronto Defiant. 2019-10-16.
- "Please join us in welcoming @KariVOW to the Defiant!". Toronto Defiant. 2019-10-23.
- "The Defiant staff, players and fans would like to thank @Mobydik_ow for everything he's done for the team.". Toronto Defiant. 2019-10-27.
- Toronto Defiant (2019-10-28). "Please join us in welcoming @LilbowSC to the Defiant family.".
- "We're so excited to announce that @agilities will be joining the Defiant team for 2020.". Toronto Defiant. 2019-10-29.
- "The Defiant family would like to thank @owivy2 for all his hard work, dedication and professionalism during our first season. We wish him all the best with his new team. Thank you Seunghyeon!". Toronto Defiant. 2019-10-30.
- Toronto Defiant (2019-10-30). "Please join us in welcoming @Beasthalo to the Defiant roster!".
- "The Defiant family would like to thank @ow_neko for being such a valuable and unforgettable member of our team. Thank you Sehyun, we wish you nothing but the best.". Toronto Defiant. 2019-10-31.
- "Nobody saw this coming, right? We're so excited to announce that @Surefour will be joining the Defiant for Season 3!". Toronto Defiant. 2019-11-04.
- "Another day, another roster announcement. Please join us in welcoming @KellexOW to the Defiant! We're incredibly excited to add the Great Dane to our roster for Season 3.!". Toronto Defiant. 2019-11-05.
- "Please join us in welcoming @AlblessGG to the Defiant and @MTLRebellion family.". Toronto Defiant. 2019-11-06.
- "We're super excited to announce that @Nevix_OW will be joining the Defiant for the 2020 Season! Our team and staff are incredibly excited to have him complete our tank line.". Toronto Defiant. 2019-11-07.
- Jae GM