In April 2021, he went on loan with Valour FC of the Canadian Premier League,[8] after turning down an opportunity to join an Italian Serie C club on loan.[9] On June 27, 2021, Rea made his professional debut for Valour as a starter in the opening match of the season against Forge FC.[10] He scored his first professional goal on August 21, 2021 in a Canadian Championship match against Atlético Ottawa.[11][12] After the 2021 season, CF Montreal picked up his club option for 2022.[13]
In March 2022, he returned to Valour FC on a new loan.[14][15] He was named the CPL Player of the Month for August 2022[16] and was named to the CPL Team of the Week six times, over the course of the season.[17] In his second season with the club, he led the team in minutes played, doubling his amount from the previous season,[18] and set a CPL record with 9 assists.[19][20] He also led the league in chances created (71) and in completed crosses and corners (62).[21] After the season, he was named the 2022 CPL U21 Player of the Year[22][23][24] and was nominated for the league Player of the Year and the Players' Player Award.[25][26]
Return from loan
Rea made his competitive debut for Montreal in their 2023 season-opener against Inter Miami on February 25, entering as a substitute in an eventual 2-0 defeat.[27] He scored his first goal for Montreal on April 18, 2023, in a 2-0 victory over Vaughan Azzurri in the first round of the 2023 Canadian Championship.[28] Upon completion of the 2023 Season, CF Montréal would announce that they would not pick up Rea's contract for 2024, ending his time with the club.[29]
Castellón B
Ahead of the 2024 season, he went on trial with the Portland Timbers.[30] In March 2024, he began training with Spanish club CD Castellón of the Primera Federación, arranging a pre-contract coniditonal upon the club's promotion to the second tier for the next season.[31] He then signed with the second team CD Castellón B in the Tercera Federación for the remainder of the season.[32][33] He made his debut for the second team on March 8 against CF Gandía.[34]
HFX Wanderers
On July 31, 2024, Rea returned to the Canadian Premier League, signing a contract through 2025 with HFX Wanderers.[35][36] There were reports he had a deal in principle with fellow CPL club Atlético Ottawa, however, salary cap constraints prevented the deal from being finalized.[37] He made his debut on August 5 against Vancouver FC.[38]
International career
At international level, Rea is eligible to represent both the Canadian and Italian national teams.[39]