It was indeed a Corsair 744 doing a Champions League charter. Other footy charters into LGW included FlyGlobespan 763, XL France A320, Flightline MD83, 2x VIA A320s, XLA/Iberworld A330, Blue Panorama 763, Dubrovnik Airlines MD83, JetTime 733, Orbest A330 and Air Slovakia 757.

Cheers
Alan