#DeGea’s penalty record hasn’t been good recently & while the sample size is too small to conclude he’s bad at them his technique does seem flawed.

Preshot he pulls his foot inward in the opposite direction to his dive meaning he will always struggle to reach the corner!

#UEL ImageImageImageImage
This “negative step” means his footwork actually moves him further from the corner he wants to dive to rather than closer to it!

Therefore using this technique he will always at struggle to get across to penalties which are right in the corner even if he goes the correct way! Image
Ironically #Henderson’s is one of the best GKs I’ve seen at using a strong “positive” step when facing PKs

Look at the ground he makes up preshot!

This means he can dive all the way to the corner & thus if he goes the right way he has a great chance of saving it!

#UEL ImageImageImageImage
In this example he actually tucks his legs back in (as you can see below) because he makes up so much ground early during the pre shot phase that he doesn’t need to be at full extension to make the save.

So if #Jesus had found the corner I still think #Henderson gets there! Image
Here is an old thread I did on #DeGea’s struggles with penalties.
& if you are interested in the flaws of negative step dives, especially when it comes to saving penalties, here is a thread I did on #Leno’s attempt at saving a PK in the #UEL
& if you want to see a video which highlights the issue I am talking about, the one below is a good one & shows how even though #DeGea saved it, his dive extension only reached a point which was over 1 yard from the goal post meaning he only gives himself a chance vs poor PKs

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More from @Jhdharrison1

19 Aug
THREAD: #Ramsdale to #Arsenal

It will be interesting to see how #Ramsdale gets on at #AFC & how his game evolves.

One thing #AFC know they are getting is a quality 1v1 stopper!

My model suggests #Ramsdale’s 1v1 prowess saved #SUFC ~3 goals more than an average #PL GK would’ve!
In comparison #Leno was average at stopping 1v1s last year & given the brand of football #Arsenal wish to play maybe this was in their thought process when they scouted #Ramsdale.

My model has #Ramsdale as one of the top 5 1v1 stoppers in the #PL & potentially can still improve!
#Ramsdale’s strength vs close range 1v1s is down to his lightning fast speed of thought & speed off the line in combination with his wonderful bravery & tidy spread technique.

This save vs #Wolves is a good example

Rambo creates a huge barrier & snuffs out an excellent chance!
Read 9 tweets
16 Aug
Project Preview:

This #AlexanderArnold FK against #Chelsea was the most unstoppable FK in the #PremierLeague since 2017/2018 according to the FK ExSaves model I’ve built!

My model predicts this shot would only be saved 6 times in 1000!

& Trent made it look so simple!

#LFC #GK ImageImage
For those interested, this graphic is a good representation of what the model actually “sees”.

The variables used to train the model were:

• Initial Shot Distance
• Initial Shot Angle
• Shot Trajectory Relative to the Wall
• Final Shot Location
• Shot Velocity Image
My model passed the sanity check as it found:

Closer FKs are harder to save ✅

More central FKs are harder to save ✅

FKs which go over the wall are harder to save ✅

FK which are higher & closer to the corners are harder to save ✅

FK which are faster are harder to save ✅
Read 4 tweets
18 May
What a save from #DeGea

Unbelievably calm GKing in a crucial moment

It may look like a simple save but that’s all because of his exemplary decision to use the wait & react 1v1 strategy as the 1v1 was from long range!

Not many GKs could make such a good decision

#MUFC #MUNFUL
The striker was ~16 yrds from the centre of goal & at a pretty wide angle (hard to see from the photo) so #DeGea’s decision to stay deep made the finish very difficult as he didn’t rush out & gift a simple dink/rounded finish
The great thing about #DeGea’s positioning here is that if the striker takes a touch rather than shooting he’s far enough off his line & prepared & ready to engage then, only once he knows the striker is so close to goal that he can no longer trust his reactions to make the save!
Read 8 tweets
7 May
After showing us how a GK can maximise their chances of saving a close range 1v1, #Schmeichel has just show how us how a GK can minimise their chances of saving a long range 1v1!

By engaging early he allows Wilson to easily round him with 1 touch!

He needed to wait for longer!
If #Schmeichel waits inside his 6 yard box for #Wilson’s touch, #Wilson then has a decision to make:

1. Shoot from 17yrd knowing defenders are track back.

2. Take a touch knowing he will bring it closer to goal but also closer to the GK.

#FNF #LEINEW
Regardless of what decision #Wilson makes #Schmeichel will have a higher probability of making the save than he would have if he rushes out & engages early like he does.

1. If #Wilson shoots #Schmeichel’s deep position will maximise his reaction time & thus his save probability.
Read 6 tweets
7 May
What a save by #Schmeichel!

There are 2 crucial decisions which made this save possible:

• The decision to engage early -> minimised the distance to the ball thus maximised the goal area covered!

• The decision to spread -> spreading further maximised the goal area covered!
#Schmeichel quickly realised the 1v1 was going to be from close range & he wouldn’t be able to react to the shot if he stayed deep & thus he needed to rush out & form a premeditated barrier

Without this quick decision he wouldn’t have gotten close enough to ASM to make the save!
Even once he gets out to ASM it could still be a goal but #Schmeichel’s excellent spread technique means he fills a huge portion of the goal & manages to get a toe on the ball & deflect it out for a corner.

Using a different barrier technique would’ve likely resulted in a goal.
Read 4 tweets
4 May
I’ve always thought the discourse surrounding #Pickford is odd

Twitter would make you think he is the worst GK to ever play in the #PremierLeague which isn’t true, he’s an avg #PL shotstopper!

Yes he had a bad 2020 but his recent good form is starting to make up for that

#EFC
Pickford’s #PremierLeague Save% for #Everton = 68.9

Expected Save% for an avg #PL GK who faced the same shots as #Pickford in that time = 69.0

I understand why people think that #England’s #1 should be better than a middle of the road PL GK but the abuse he gets is just crazy!
Also regarding the #England #1 shirt, the main reason he has it is because currently #Southgate believes that being an average shotstopper is outweighed by the fact he is a level above any other English GK when it comes to distributing the ball, especially when under pressure!
Read 5 tweets

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