Sam Allardyce celebrated Sunderland's survival in style. Having managed against all odds to successfully retain Sunderland's top-flight status for at least another year, you could forgive Sam Allardyce for wanting to let his hair down for a while. Sure enough, "Big Sam" has been captured on camera dancing as if nobody was watching while partying the night away during a DJ set at a poolside rave. 'My mates DJing in Marbella' the greatest text anyone could ever receive courtesy of @JakeyYDG pic.twitter.com/cdQ6OHSnbz - Matthew Chapman (@Matt_Chappp)...