Former Kwara United coach, Samson Unuanel says he’s confident Rivers United can pull a major upset against USM Alger in the second leg of the CAF Confederation Cup quarter-finals. Recall that the Nigerian club pipped the reigning Champions 1-0 at the Godswill Akpabio International Stadium, Uyo on Sunday in the first leg. In a chat with Completesports.com, Unuanel stated that Rivers United must…