Not really.
They are 1-1 in takedowns.
Izzy only succeeded with 1/4 attempts (and also did quite a bit of clinch work where he looked to be searching for leg trips)
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That being said - Pereira's TD was only done after the ten second horn tooted so we didn't see how long he could keep Izzy down.
Meanwhile Izzy kept pereira down for 3.5 minutes until the round ended, so that was really bad for Alex.
He tried to stand up multiple times but was brought down.
So yes - I can easily imagine Alex losing a fight just by being taken down and not being able to get up.
I dunno. Khamzat looks so small when sparring with Gus.
Gus takes Khamzat down easily in sparring - but that doesn't mean much really (Gus has also said Khamzat takes him, and bigger guys, down a ton) I'm just saying look at the size difference.
I don't see Khamzat just jumping up to LHW on short notice.
Haha yeah Alex Gustaffson back in the days of his prime would likely dominantly defeat Chimaev. Chimaev said in an interview that he has trained a lot with Gustaffson and sees him as a monster... So he said "if Jon Jones could stop that guy twice, then I don't think there's anyone better than Jon Jones". Basically, he considered Gustaffson, back in Gus' better days, someone who he is surprised to see losing twice to one guy.
Poatan is big like Gus and JJ, in sheer size — he weighs normally around 230 pounds and although he cuts to 205, in the day of the fight Poatan is already weighing around 225 ~ 230 lbs...
Gordon Ryan recently said that steroids are legal in jiu jitsu... Which according to him gives a big help in jiu jitsu. So, grappling, jiu jitsu... Lot of technique, yes, but strength DOES matter, A LOT. If a very strong guy, around 230 lbs, known to have a very big muscle density like Poatan, is training grappling consistently for 5 years, showing actual improvements in it in each fight he's tested on it, with Glover himself saying Poatan out grapples him oftentimes, with ppl saying Poatan is special because he learns considerably quicker than most pro fighters... Then yeah, ppl who think Ankalaev or Chimaev could easily drop, him might be pretty off on this take. Nevermind some ppl even talking the troll statement from Ali of Islam vs Poatan seriously lmao...
Not to mention, Alex Poatan works grappling defense with strikes... His coach said, briefly, that Alex's bulk training in stopping takedowns comes amidst striking a lot to break his opponents' positions and make them fail on it, which according to his coach works so well because even when pressed in the clinch, Poatan's strikes come out like a rock, that the face Poatan is able to generate incredible striking power in very limited distances is a huge thing...
... Which is what he did to break Jiri's take down attempt, partially — punched him to the ribs and knee'd him in the chest... Although most fighters don't have the strength to generate much power in close spaces, Poatan has enough strength to make it pretty painful even in very bad angles to strike. That's why Jiri couldn't get to the legs, so he tried doing what DC himself said he would do, almost immediately after DC said that — got his legs into Alex's legs to try to drag him down, to which Poatan responded quickly by landing pretty quick consecutive right hooks, that even in such an unfavorable angle, hurt Jiri enough that it made Jiri unable to keep holding Poatan's body and made Jiri need to quickly disengage his left arm from Alex's body to stop the punches — and that's where Alex's knowledge comes into the picture, as he instantly realized that and grabbed Jiri's left arm with such a strong grip that Jiri could not let go of his left arm... Then Poatan landed a knee to Jiri's upper leg, which disrupted Jiri's position further, so Alex, with his knowledge from Judo, from training with Kayla, placed his left hand behind Jiri's right shoulder and threw him aside — no one comments how good Poatan's takedown defense in his last fight vs Jiri was...