IF Gardener had been a 360 pound world champion MMA fighter or WWF champion... then yes, at least for a little while - he could have protected himself from being assaulted and killed by multiple police officers assaulting him to prevent him having an opportunity to resist arrest - for which they tactically decided NOT to inform him he was arrested and instead to surprise take him down before he could resist arrest if told he was under arrest.
New police procedure - pre-emptively beat a person down and into submissive prior to effecting or notifying of an arrest to prevent possible resistance arrest. Beat the person down violently into physical submission first - then inform the person he is under arrest. However, if the person resists being beaten, then it is after-the-fact-resisting arrest, which he is informed of being arrested after his resistance to it.
It seems there is a contest by police groupies of who can post the most absurd reasoning.