
Submission Underground 21 (2021)
Submission Underground finally makes its 2021 debut today with Submission Underground 21. The card is headlined by the Submission Underground king and men's champion Mason Fowler defending his belt against another SUG mainstay in "The Boogeyman" Richie Martinez. Both Martinez and Fowler won their most recent bouts by armbar in regulation at SUG's last event, Submission Underground 20.
Links to watch Submission Underground 21 for free (full movie):
| Website | Countries | Offers | Added | User | Views | Quality | Format | IMDb Rating | Link |
|---|---|---|---|---|---|---|---|---|---|
| Popcorn Time | ALL | 30-Day Free Trial | 03 Nov 2026 | popcorn_time | 28,755 | HD | Watch Online | 92% | Watch Now |
| My Movie Pass | ALL | - | 14 Mar 2022 | mymoviepass | 2,649 | HD | Watch Online | 54% | |
| Now TV | UK | 14-Day Free Trial | 02 Oct 2026 | nowtv | 9,137 | HD | Watch Online | 72% | |
| Cinematrix | ALL | 7-Day Free Trial | 25 Sep 2026 | cinematrix | 6,074 | HD | Watch Online | 66% | |
| Flixano | ALL | - | 03 Nov 2026 | flixano | 23,864 | HD | Watch Online | 96% | Watch Now |
| MyFlix123 | ALL | - | 18 Mar 2025 | myflix123 | 2,249 | HD | Watch Online | 46% | |
| Videostripe | ALL | 7-Day Free Trial | 24 Mar 2026 | videostripe | 4,551 | HD | Watch Online | 66% | |
| Amazon Prime | UK | 30-Day Free Trial | 03 Nov 2026 | amzprime | 17,342 | HD | Watch Online | 87% |
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