The influence that Giggs could have on results was never more apparent than in the 1998/99 FA Cup semi-final replay, when he scored perhaps the goal of the decade – a solo run and finish that left Arsenal's defenders grasping at thin air.  It booked United's place in their fifth FA Cup final of the 1990's, and this time they won it, beating Newcastle United 2-0 with goals by Paul Scholes and substitute Teddy Sheringham.

That result clinched United's third Double, six days after the Premiership title had been wrapped by Andy Cole's goal against Tottenham at Old Trafford.  But still there was more to come from a remarkable campaign.

After an epic Champions League semi-final against Juventus, when Keane inspired the team to fight back from 2-0 down in the second leg, United marched into an epic final against Bayern Munich in Barcelona.

United's attempts to win the European Cup for the first time since 1968 looked to be doomed when Bayern took an early lead through Mario Basler and defended it with typical German resilience.  But then, in injury time, the Reds produced one of the most stunning revivals in sporting history – Sheringham equalised, and moments later his fellow substitute Ole Gunnar Solskjaer fired in the winner to make the score 2-1. United had won the Treble; their manager Alex Ferguson was subsequently knighted as his fans around the globe basked in the glory.

The Treble became a quadruple later in the year when Sir Alex Ferguson's men travelled to Tokyo to compete for the Inter-Continental Cup.  Keane's goal against Palmeiras of Brazil bestowed upon United the title of World Club Champions. Officially, at the end of the millennium, the biggest football club in the world had also become the best in the world!