New USM Alger striker Kwame Opoku scored in a training match on Saturday, 17 April 2021.
The former Asante Kotoko player was named in the Team B side which lost 4-3.
Boumechra opened the scoring for the Team B side and Opoku scored the second.
They were undone by a brace from Benchaa, a goal each from Naidji and Belem.
Opoku was officially unveiled by the club last week after penning a four-and-a-half year contract.