Former Arsenal and England star Theo Walcott has revealed the three top Manchester United legends he played against during his long spell with the Gunners. Theo Walcott first arrived at Arsenal after legendary former Gunners manager Arsene Wenger signed him from Southampton in 2006 for an initial £5m fee. The 35-year-old former Arsenal winger spent his entire Arsenal spell under Arsene Wenger and made a whopping 397 appearances during his spell at the Emirates. Walcott, who scored 108 times for the Gunners, lifted two FA Cup trophies with Arsenal before he left the Emirates in 2018 and signed …