The promising Ghanaian attacker was handed a shocking Arsenal start in the Gunners one nil victory against fellow Premiership side Brentford in the Carabao Cup on Wednesday night.
The Gunners beat the Bees 1-0 thanks to a goal from Reiss Nelson and earned themselves a fourth round clash with West Ham.
It was a much-changed Arsenal team, with the likes of Martin Odegaard, Gabriel Martinelli, Bukayo Saka, Declan Rice and William Saliba all rested from the starting XI.
Academy product Sagoe Jr came into the front three alongside Nelson and Eddie Nketiah, which Arteta was pleased to do, rewarding the 19-year-old’s consistency in the youth teams of late.
“It’s a dream come true to have made my professional debut with Arsenal last night. It’s a proud moment for me and my family and it’s an experience I’ll never forget. Thank you for your support!” Sagoe wrote on social media.
Sagoe Jr had made it onto the bench for one Europa League game in the past but had not made a first team debut before the trip to Brentford.
He will be hoping it is the first of many opportunities to play under Arteta, although the fitness issues the likes of Saka, Martinelli and Leandro Trossard are not expected to keep them out for long.
To those who are not familiar with the forward, Sagoe Jr was born in 2004 in Kingston-Upon-Thames to Ghanaian parents.
He joined Arsenal back in 2015 from Fulham and has since been with Arsenal’s Academy side, where he currently plays for the U23 outfit.