The Portugal international was forced to miss his country's 3-1 win at Luxembourg after picking up a yellow card in their previous World Cup qualifier against Serbia, which ruled him out through suspension.
Hence, he has been able to waste little time in joining up with the Reds as we continue the countdown to the visit of the Seagulls.
Bruno, of course, has history with the south-coast side after scoring twice in the 3-0 success at the Amex Stadium last season and netting a late, late winner from the penalty spot in the away game there in September.