Who is the only player to score in six different senior club competitions (three domestic competitions, European competition, UEFA Super Cup and FIFA Club World Cup) in one season?

Who is the only player to win back-to-back trebles (domestic title, domestic cup and Champions League) in European club football?

Who is the only player to have scored in the Glasgow, Merseyside and Manchester derbies?

Who is the only player to have scored in a Champions League final, FA Cup final, UEFA Cup final and League Cup final?

Who is the only player to have won silverware at both Manchester United and Liverpool?