Arsenal star David Raya is training an XL Bully to protect him amid raids on the homes of football stars, according to reports. The Spaniard is currently Mikel Arteta’s first-choice goalkeeper, having dislodged Aaron Ramsdale following his arrival back in the summer. Over the past few years, raids on the homes of Premier League footballers have become more frequent. Victor Lindelof, Raheem Sterling and Jack Grealish, of Manchester United, Chelsea and Manchester City respectively, are among those to be targeted by thieves. And The Sun say Raya is training his dog, Goku, to defend him. XL Bullie…