"The number 1 rivals" - Roy Keane on Manchester United's rivalry with Arsenal

► Subscribe to Sky Sports Retro: http://bit.ly/SkySportsRetroSub Speaking before the infamous Battle of Old Trafford game, Roy Keane called Arsenal Manchester United's biggest rivals due to the title races between the two clubs. #SkySportsRetro #SkySports #RoyKeane ► Follow Sky Sports Retro on Twitter: http://bit.ly/SkySportsRetroTwitter More from Sky Sports on YouTube: ► Sky Sports News: http://bit.ly/SkySportsNewsSub ► Sky Sports: http://bit.ly/SkySportsSub ► Sky Sports Football: http://bit.ly/SSFootballSub ► Sky Sports Boxing: http://bit.ly/SSBoxingSub ► Sky Sports F1: http://bit.ly/SubscribeSkyF1 ► Sky Sports Cricket: http://bit.ly/SubscribeSkyCricket ► Soccer AM: http://bit.ly/SoccerAMSub ► Football Daily: http://bit.ly/fdsubscribe