 Robson was complaining about "terrible situation" in the club and periodically had arguments with the club's president.The manager was fired following their Uefa Cup exit against Casino Salzburg during winter break of the 1993–94 season with Sporting CP in the lead.The players hosted a dinner party for him, but afterwards Sergey was involved in a serious car accident that left him paralysed from the waist down, and has used a wheelchair ever since.