9 June 2021
- 20:5320:53, 9 June 2021 diff hist +644 N U-Next Pirates Created page with "{{Infobox mleague team | image = 250px | imagecaption = | owner = U-Next | inception = 2018 | finalscount = 1 | finalsyears = ..."
- 20:4920:49, 9 June 2021 diff hist +517 N Team Raiden Created page with "{{Infobox mleague team | image = 250px | imagecaption = | owner = Dentsu | inception = 2018 | finalscount = 0 | finalsyears = |..."
- 20:4720:47, 9 June 2021 diff hist +668 N Shibuya Abemas Created page with "{{Infobox mleague team | image = 250px | imagecaption = | | owner = CyberAgent | inception = 2018 | finalscount = 3 | finalsyears..."
- 20:4520:45, 9 June 2021 diff hist +595 N SegaSammy Phoenix Created page with "{{Infobox mleague team | image = 250px | imagecaption = | | owner = SegaSammy | inception = 2018 | finalscount = 1 | finalsyears..."
- 20:4320:43, 9 June 2021 diff hist +2 m Konami Mahjong Fight Club →Final
- 20:4320:43, 9 June 2021 diff hist +585 N Konami Mahjong Fight Club Created page with "{{Infobox mleague team | image = 250px | imagecaption = | | owner = Konami | inception = 2018 | finalscount = 1 | finalsyears = ..."
- 20:4020:40, 9 June 2021 diff hist +37 N KADOKAWA Sakura Knights Redirected page to Kadokawa Sakura Knights current
- 20:3920:39, 9 June 2021 diff hist 0 m Kadokawa Sakura Knights No edit summary
- 20:3920:39, 9 June 2021 diff hist +4 m Kadokawa Sakura Knights No edit summary
- 20:3820:38, 9 June 2021 diff hist +678 N Kadokawa Sakura Knights Created page with "{{Infobox mleague team | image = 250px | imagecaption = | | owner = Kadokawa | inception = 2019 | finalscount = 2 | finalsyea..."
- 20:3620:36, 9 June 2021 diff hist 0 m M.League →Teams
- 20:3320:33, 9 June 2021 diff hist +3 m EX Furinkazan No edit summary
- 20:3220:32, 9 June 2021 diff hist +611 N EX Furinkazan Created page with "{{Infobox mleague team | image = 250px | imagecaption = | | owner = TV Asahi | inception = 2018 | finalscount = 2 | finalsyears..."
- 20:3020:30, 9 June 2021 diff hist +28 m 2018 M League season →Teams
8 June 2021
- 22:0222:02, 8 June 2021 diff hist −7 m Template:Infobox mleague team No edit summary current
5 June 2021
- 03:0203:02, 5 June 2021 diff hist +66 m 2019 M League season →Roster changes
- 03:0103:01, 5 June 2021 diff hist +161 2019 M League season →Rosters
- 02:4402:44, 5 June 2021 diff hist −28 m 2021 M League season →Rosters
- 02:3902:39, 5 June 2021 diff hist −1 m 2021 M League season →Rosters
- 02:3302:33, 5 June 2021 diff hist +44 N Professional associations Redirected page to List of Japanese organizations current