JOSE RIVEIRO might be new to continental football, but the Spaniard is shrewd enough to know not to get carried away by good results.As The Ghost excitedly celebrated Orlando Pirates’’ progression to the quarter-final of the CAF Champions League and many among the Buccaneers’ faithful already foreseeing a second star above the club’s crossbones and skull insignia, Riveiro was staying grounded.Speaking after Pirates’ 2-1 defeat of record champions and current holders Al Ahly in Cairo on Saturday night, the young coach rather focused on his team’s performance than the…