Tautuaa attended high school at Claremont High School in Claremont, California. In his senior year at Claremont High, he averaged 21 points and seven rebounds per game. He suited up for Chadron State College, a NCAA Division II school. He led the CSC Eagles in scoring with 12.9 points a game and rebounding with 5.6 per game in his senior year. His 63.5 percent field goal percentage led the team and ranked second in the Rocky Mountain Athletic Conference. During his career at CSC, he shot 62.6 percent from the field to break the old mark of 61.9 percent that Elijah Collins set during 2001-05. He finished with 1,160 points, tying him for 17th all-time at CSC.
Professional career
ABL / PBA D-League
He applied for the 2012 NBA draft but went undrafted. He then decided to resume his basketball career by playing as an import for the Westports Malaysia Dragons in the ASEAN Basketball League. Initially discovered by former PBA player Pongky Alolor, he was introduced to KL Dragons' head coach Ariel Vanguardia during the latter's visit to San Francisco and was recruited to join the team. He became teammates and friends with current PBA player Justin Melton. He averaged 15.6 points, 7.6 rebounds and 0.6 block for the Dragons, who started off the 2014 season with a 2-1 win-loss record. After his stint in the ABL, he processed his citizenship papers at the Bureau of Immigration of the Philippines to prove his Filipino lineage and applied for the 2014 PBA D-League Draft, where he was drafted first overall by Cagayan Rising Suns. He helped the Suns reach the Finals against the powerhouse Hapee Fresh Fighters. He was then signed by the Cebuana Lhuillier Gems into a one-conference contract, where he spent the remainder of the season. He was the 2015 PBA D-League Foundation Cup MVP while playing for Cebuana Lhuillier and took them to the semifinals.
PBA
After spending a season in the D-League, he applied, along with 16 other Fil-Foreigners, for the 2015 PBA draft, according to the list released by the PBA on August 10, 2015. He, along with former NU BulldogTroy Rosario, was the consensus top pick leading to the draft day. On August 23, 2015, he was drafted 1st overall by the TNT Tropang Texters in the rookie draft. On August 27, 2015, both he and newly acquired #2 pick Troy Rosario signed maximum three-year rookie contracts with Talk 'N Text worth ₱ 8.5 million.
In 2015, Tautuaa joined the Gilas Pilipinas 3.0 training pool as a practice player and went with the entire team to Estonia to participate in a pocket tournament. He also saw action in the 2015 William Jones Cup where Gilas won the silver medal. He would only be eligible to play for any FIBA sanctioned tournament as an alternate naturalized player since he was not able to secure his Philippine passport before he turned 16 years old.
Player profile
Tautuaa is a versatile big man. He is considered a stretch "five" with ball-handling skills, range, passing abilities and someone who can rack up points, rebounds, assists, blocks, etc., not to mention his penchant for dunks, putbacks, chasing down loose balls and his uncanny basketball IQ.
Personal life
Tautuaa's father is Moala Sr. from the Pacific Island nation of Tonga, while his mother is Romanita, a Filipina, who hails from Taguig City. He earned a degree in Criminal Justice, and can also speak Tagalog. He is often teased with the nickname "Pebbles".