College Recognized as the top recruit in the country, DeFalco enrolled at
California State University, Long Beach, where he majored in Consumer Affairs. While at LBSU, he reached the NCAA Final Four all four years (2016–2019) and won the NCAA Championship twice (2018, 2019). He was a two–time AVCA Player of the Year (2017, 2019), the AVCA Newcomer of the Year (2016), and a four–time AVCA First Team All American (2016–2019). He was named Most Outstanding Player of the 2019 NCAA Championships, as well as being named to the NCAA All–Tournament Team three times (2016, 2018, 2019).
Club In June 2019, DeFalco signed his first professional volleyball contract with the Italian team,
Volley Callipo. For the 2021–22 season, he joined
AZS Olsztyn. For the
2022–23 PlusLiga season, he signed a contract with
Resovia.
National team DeFalco joined the U.S. National Team in 2015, while he was still in high school. He competed with the national team at the
2020 Tokyo Olympics and the
2024 Paris Olympics. ==Honors==