CHRISTIANO-RONALDO Scores in 50th-Minute to lead PORTUGAL to Victory in WC-Qualifier against LUXEMBOURG, after showing poor-form against SERBIA, and AZERBAIJAN…… PORTUGAL leads Group-A with 7-Points from 3 Matches-Played… FERNANDO-Santos, as MANAGER-cum-Coach: Publicly-Backs CHRISTIANO-RONALDO as Captain, despite Defending-Champions: PORTUGAL’s-Failure to Enter-SFs of UEFA Nations-League