#4 Povetkin's critical error with regard to Anthony Joshua's nose
It's no secret that Alexander Povetkin found a home for several beautiful jabs, hooks, overhands and uppercuts in Rounds 1 and 2, however, upon seeing that he'd busted up Anthony Joshua's nose, the former made a rather horrifying error of over-committing to his strategy of attacking AJ's nose.
I'd like to hark back to a rather unpopular example over here, that being Conor McGregor landing the lead uppercut repeatedly in his pro-boxing debut against all-time-great Floyd Mayweather Jr. last year. Despite landing a crisp lead uppercut early in the matchup, McGregor's strike was continually either parried or rolled with on part of Mayweather.
Nevertheless, McGregor kept over-committing to the lead uppercut and needless to say, Floyd began timing the Irishman and the latter subsequently turned into a punching bag courtesy the repeated left hooks and straight-right counters Mayweather hit him with in response to the lead uppercuts. Povetkin made a similar error against Joshua--something which AJ picked up on very swiftly from Round 3 onward...