Arujau won NCAA titles at 133 pounds as a junior and senior, joining Kyle Dake (4), Yianni Diakomihalis (4), Dave Auble (2), Gabe Dean (2) and Travis Lee (2) as the sixth multi-time national champion in Cornell wrestling history. One of nine four-time NCAA All-Americans in program history (fourth, third, first, first), Arujau ended his career with a 93-8 record. He stands near the top of the Big Red record book in several categories, including overall winning percentage (10th, .912), bonus point wins (t-15th, 57), wins by tech fall (ninth, 16), wins by major decision (t-third, 37), dual meet wins (12th, 45), dual meet winning percentage (seventh, .957), NCAA tournament wins (t-first, 20) and NCAA tournament winning percentage (sixth, .870). Arujau won two EIWA titles and was named EIWA Wrestler of the Year as a senior after earning Outstanding Wrestler at the 2023 NCAA Championships en route to his first national title. The two-time Big Red captain earned first-team All-Ivy honors as a freshman, junior and senior and second-team honors as a sophomore. Before his senior season, Arujau became the first Cornell wrestler to win a senior world championship as an undergrad when he claimed the 61kg title in Belgrade, Serbia. He was the runner-up at the 2021 Olympic Trials, winning the Pan American title that same year
