Complex sentence: After falling out of favour with the club's management, Manuel moved in January 1988 to Switzerland with FC Sion; only five months later, he returned to the Portuguese capital after signing with Sporting Clube de Portugal.
Split into simpler sentences: After falling out of favour with the club's management, Manuel moved in January 1988 to Switzerland with FC Sion. Only five months later, he returned to the Portuguese capital after signing with Sporting Clube de Portugal.