Liverpool teammates Sadio Mane and Naby Keita became rivals on Friday, captaining Senegal and Guinea in a drab 0-0 Group B matchday 2 deadlock at the Africa Cup of Nations. Scoring chances were few in the afternoon heat of Bafoussam with Senegal the more wasteful side in a showdown between nations expected to occupy the top two positions in the final standings. Guinea and Senegal will go into the final round of group matches on Tuesday sharing the lead with four points each, and goal difference could determine who finishes first. “The...