Jaja Santiago

Alyja Daphne "Jaja" Antonio Santiago (born January 20, 1996 ) is a Filipino volleyball player who plays for JT Marvelous of Japan's V.League.

Santiago, then an incoming freshman student entering the National University (NU) in Manila, received an offer to try out for the University of California-Los Angeles' women's volleyball team in 2013.

She declined as she was hesitant to be away from her family back in the Philippines.

She would go on to play for the NU Lady Bulldogs volleyball team in the University Athletic Association of the Philippines (UAAP).

Santiago would also lead the Bulldogs to win back-to-back championships in the Shakey's V-League 13th Season Collegiate Conference without her sister DinDin to support her, despite that, she was crowned as the Conference Most Valuable Player award and the Best Middle Blocker.

Her father died in 2014.

Their mother worked as an overseas Filipino worker in Israel.

Her first professional team, the Foton Tornadoes, debuted in the 2015 Grand Prix Conference of the Philippine Super Liga (PSL) and played for 3 conferences (2015 Philippine Super Liga Grand Prix, 2016 Philippine Super Liga All-Filipino and 2016 Philippine Super Liga Grand Prix).

Santiago was also a member of the Philippine national team that played in Singapore during the 2015 Southeast Asian Games, as well as in Kuala Lumpur during the 2017 Southeast Asian Games.

She last played for the national team in 2022 at the 2021 Southeast Asian Games, which was held in Vietnam.

While playing in Japan, Santiago was called up by the Japan Volleyball Association on March 8, 2024 to join the Japanese national team's training camp, although she has not been a naturalized citizen.

Santiago comes from a family of sportspeople.

Her father Jojo was a basketballer who played for the University of Manila Hawks and the San Juan Knights in the now defunct Metropolitan Basketball Association.

Her older sister DinDin Santiago-Manabat also grew up to be a professional volleyball player.

Her older brother Axel has coached the National University (NU) Bulldogs volleyball teams.

Her younger brother Lenard played basketball for the Letran Squires junior team.

She was also crowned as the Most Valuable Player in the 2016 Philippine Super Liga Grand Prix in a back-to-back win with the Foton Tornadoes.

She started her rookie collegiate volleyball career with the UST Golden Tigresses, with her sister DinDin before transferring to National University to follow her sister.

After being transferred from UST to the NU Lady Bulldogs, Santiago, now in her 4th year, served as the team captain.

She was undecided if she was going to use her fifth and final year, after being eliminated by the UST Golden Tigresses in the UAAP Season 79 Women's Volleyball.

She holds the record of the youngest player to ever play in Shakey's V-League.

She joined NU as Guest Player in Season 7 Conference 2 at the age of 14.

She also holds the record of the tallest player so far in the Shakey's V-League as she stands 6'5".

Santiago was part of the PSL All Stars selection team formed to represent the hosts of the 2016 FIVB Club World Championship which was held in Manila.

In 2017, Santiago won the Premier Volleyball League 1st Season Collegiate Conference championship with the NU Lady Bulldogs and was named the conference MVP.

Also winning the bronze medal in the PSL Grand Prix Conference with the Foton Tornadoes along with the 1st Best Opposite Spiker award.

Santiago joined Ageo Medics of Japan's V.League in 2018 for the 2018–19 season.

Santiago returned the Philippines to feature for the Foton Tornadoes in the 2019 PSL All-Filipino Conference.

Following the conclusion of the tournament, she returned to Japan to play for Ageo Medics again.

Santiago helped Ageo Medics clinch a bronze medal finish in the 2019–20 Division 1.

Santiago renewed her contract with Ageo Medics in August 2020 She went on to help Ageo Medics win the Division 1 V.Cup title, which was the first for Santiago with a foreign club.

after she was unable to rejoin Foton, which renamed themselves as Chery Tigo, for the 2020 PSL Grand Prix which was cancelled due to the COVID-19 pandemic.

Shortly after, Santiago bared that Ageo Medics has convinced her to change her citizenship to Japanese through naturalization which would enable the club to field her as a local.

However, Santiago was non-committal and maintained that she still has pride in being a Filipino citizen.

Her contract with Ageo Medics expired after her 2021 V.Cup stint.

Santiago returned to the Philippines to play for the Chery Tiggo 7 Pro Crossovers, which has transferred from the PSL to the newly fully-professionalized Premier Volleyball League (PVL).

She rejected offer to play for a club in Taiwan so she could play for Chery in the PVL.

Santiago returned once again to Japan to suit up for Ageo Medics for the 2022–23 V.League season.

However, in May 2023, she announced that she had not re-signed with the team ending her roughly five year series of stints with Ageo Medics.

Santiago remains in Japan as she signs to play for JT Marvelous for the 2023–24 season.