
By Patrick Lujan
A packed Tiyan High gym Saturday had a feel of normality as the Marianas Open hosted its first jiu-jitsu tournament post COVID era.
Just eight months after opening its doors, ATOS Jiu-Jitsu Guam led by head professor Mike Carbullido made a major impact on the island’s BJJ scene by winning both the adult and kids/teen divisions.

For more than nine hours of competition, 336 athletes representing 11 teams showcased their skills from hours, days, years of training.
Professors and coaches walked around the four competition mats coaching up their teams and eventually losing their voices, congratulating those who won and consoling those who didn’t.
BLACK BELT
Anthony Cruz, the 2019 GSPN Athlete of the Year, took the top individual prize with a bow and arrow choke of Oliver Cruz in the black belt absolute finals.
“I’m actually disappointed in the fact that I know I could have made better decisions to improve my results,” Cruz said. “I also would have loved to have more black belts challenge themselves and sign up to compete.”
Only three black belts competed in the open black division.
JJ Ambrose beat Erik Flores in the lone masters black belt bout.
BROWN BELT
John Meno (Atos) took the brown absolute over Nicolas Brown (Purebred).
PURPLE BELT
A.J. Aguon (Atos), known for his basketball skills, took the purple belt absolute over his teammate Michael Shinohara
MASTERS FEMALE
Former GW star athlete Tanya Muna dominated her way to shutout victories to take the blue belt masters division.
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GPS Sports Calendar
March 2025
- SU
- MO
- TU
- WE
- TH
- FR
- SA
- 23
- 24
- 25
- 26
- 27
- 28
- 1
Events for February
1st
H.S. RUGBY FINALS
H.S. GIRLS SOFTBALL FINALS
Events for March
1st
Events for March
4th
Events for March
5th
Events for March
7th
ISA H.S. TENNIS BOYS FINALS
H.S. BOYS BASKETBALL QUARTERFINALS
Events for March
7th
Events for March
8th
Events for March
9th
Events for March
11th
Events for March
14th
GVF BOYS VOLLEYBALL PRESEASON TOURNAMENT
H.S. BOYS BASKETBALL FINALS
Events for March
15th
2025 KICK THE FAT 5K
GVF BOYS VOLLEYBALL PRESEASON TOURNAMENT
IIAAG BEACH VOLLEYBALL BOYS FINALS
Events for March
16th
Events for March
17th
Events for March
18th
Events for March
19th
Events for March
23rd
Events for March
25th
- 30
- 31
- 1
- 2
- 3
- 4
- 5
Events for March
29th
Events for March
30th

Basketball
ISLANDERS TAKE TAGAYTAY TOURNAMENT

Basketball
GUAM FALLS TO TAIPEI 113-73 IN FIBA PLAY

Volleyball
TEAM TROUPE WINS TRITON MEN’S VBALL LEAGUE

Volleyball
FIRST EVER MOM’S VOLLEYBALL LEAGUE UPCOMING

Basketball
SAN NICOLAS LEADS FUETSA TO LADIES CROWN

Volleyball
FIRST EVER MOM’S VOLLEYBALL LEAGUE UPCOMING

Basketball
SAN NICOLAS LEADS FUETSA TO LADIES CROWN

Volleyball
FD ROLLS ALONG ITS SPORTS SUPERIORITY
COMING SOON …
Guam v Thailand and Taiwan in FIBA Basketball
4th Quarter Sports: boys volleyball, girls soccer, paddling, track & field