Bello signed as a Homegrown Player with Atlanta United on June 17, 2017 with the deal becoming effective Jan. 1, 2018. He made his MLS debut at D.C. United on Sept. 3 and scored his first MLS goal against New England on Oct. 6, becoming the sixth-youngest in league history. Born in Abuja, Nigeria, Bello moved to Douglasville, Ga., at a young age and joined the Atlanta United Academy in 2016. Bello spent 2017 with Atlanta United U-16s and made 20 appearances with 19 starts and was named the 2016-17 East Conference U15/16 Player of the Year. Bello has spent his entire playing career on the U.S. Youth National circuit and has spent time in youth training camps with each national team up to the U-18s.
2019 (Atlanta United): Did not feature in any MLS matches this season due to injury and a call-up to the US FIFA U-17 World Cup squad. During the World Cup in Brazil, Bello made two starts and played the full 90 minutes in both matches for the US. US Open Cup: Did not feature during this season’s Open Cup. CONCACAF Champions League: Started the first game of the Concacaf Champions League, a 3-1 defeat at CS Herediano of Costa Rica. It was his lone appearance with Atlanta United in 2019. USL: Finished the season with 12 appearances for ATL UTD 2. Eleven of those 12 appearances were starts and the defender played a total of 886 minutes. He scored in a 5-2 victory against Bethlehem Steel on Oct. 9. Posted 10 shots with three of them on target.
2018 (Atlanta United): Made three appearances and two starts. He made his MLS debut on Sept. 3 in a road match at D.C. United as a second-half substitute and then earned his first career MLS start later that month in a 2-0 win against Real Salt Lake (9/22). He became the sixth-youngest player to score a goal in MLS history when he fired a left-footed shot past the New England Revolution on Oct. 6. Finished the regular season with 177 minutes played. US Open Cup: Did not feature. USL: Played 415 minutes for Atlanta United 2 during the team’s inaugural season. He made six appearances, all starts, and tallied one shot.
2017/18 (Atlanta United Academy): Bello has played eight matches for the U-18s and scored two goals. He also made one appearance for the U16s and scored a goal.
2016/17 (Atlanta United Academy): Bello 26 matches for the U-15s and scored two goals. He was named the 2016-17 East Conference U15/16 Player of the Year.
INTERNATIONAL: Bello has either played or been called into camps for the U.S. Youth National Team at the U-15, U-16, U-17 and U-18 levels. In April, Bello was a part of the U-15 squad that won the prestigious Torneo Delle Nazioni. The U.S. won all four matches he started, including the championship against England.