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Player Watch Player Watch: Son Heung-min

EighteenEightyTwo

Well-Known Member
Jan 10, 2011
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1,929
It's a side note, but when he and Kane are on it they blow xG as a concept out of the water. They turn 0.2 and 0.3 chances into 0.8 and 0.9. When Son is on one of his streaks, nearly everything is guaranteed to be hitting the back of the net. He is something else.

Any xG for a shot is for the average player, so wouldn't we expect two world class players to be outperforming it? I don't see how it's a flaw in the concept, the metric just illustrates how lethal they are.
 

Griff001

Well-Known Member
Jul 1, 2014
350
1,420
What really impressed me about yesterday's hattrick was how each goal was a great goal.

Usually with a hattrick, you tend to get one or two goals that are simple, tap in finishes (Ronaldo's against us this season for instance included one tap in). But all 3 of Son's yesterday were great goals. Two were squeezed in off the posts making them un-saveable, and the run and cool finish for his second was quality too. Brilliant hattrick.
 

JayB

Well-Known Member
Aug 24, 2011
6,665
26,109
Who else does not understand this XG concept? I feel left out! :(
I may be wrong but my basic understanding is that every shot is assigned an xG value that is equal to the likelihood of the shot being converted into a goal, based on historical data of shots taken from that spot on the pitch and taking into account the positioning of defenders.

Say for example that 70% of penalties are converted, a penalty would be worth 0.7 xG. It's a measure of how likely the bang average finisher would be to score based on the quality of the chance. Above-average finishers' goal tallies will exceed their xG, whereas below-average finishers' tallies will be less than their xG.

Son is outperforming the xG of the chances he's getting by a margin that is more than double that of the next best finishers, Kane and Messi. By this metric he's been by far the most clinical finisher in world football over the past 5+ seasons. It's a fucking incredible statistic if that graphic is accurate.
 

jonnie83

Active Member
Feb 24, 2005
321
198
I may be wrong but my basic understanding is that every shot is assigned an xG value that is equal to the likelihood of the shot being converted into a goal, based on historical data of shots taken from that spot on the pitch and taking into account the positioning of defenders.

Say for example that 70% of penalties are converted, a penalty would be worth 0.7 xG. It's a measure of how likely the bang average finisher would be to score based on the quality of the chance. Above-average finishers' goal tallies will exceed their xG, whereas below-average finishers' tallies will be less than their xG.

Son is outperforming the xG of the chances he's getting by a margin that is more than double that of the next best finishers, Kane and Messi. By this metric he's been by far the most clinical finisher in world football over the past 5+ seasons. It's a fucking incredible statistic if that graphic is accurate.
Thanks for that. Does it take into account who is taking the shot? Kane and Sissoko for example taking a shot for the same part of the pitch would have a completely different change of being a goal but if i understand correctly the game xg
 

mdharris

Well-Known Member
Oct 12, 2005
1,771
3,033
Thanks for that. Does it take into account who is taking the shot? Kane and Sissoko for example taking a shot for the same part of the pitch would have a completely different change of being a goal but if i understand correctly the game xg
That’s right, the xG of a situation is independent of which player has the opportunity.

xG is a useful metric to determine how frequently a team is creating goal scoring opportunities, and what are the quality of those chances. It also measures an individual player’s ability to get into good goal scoring situations. So it’s not without merit. But it also has its limitations. The ability of the player in question to finish off the chance, the quality of the opposing keeper etc.
 

C1w8

Well-Known Member
Jan 21, 2011
582
1,101
That’s right, the xG of a situation is independent of which player has the opportunity.

xG is a useful metric to determine how frequently a team is creating goal scoring opportunities, and what are the quality of those chances. It also measures an individual player’s ability to get into good goal scoring situations. So it’s not without merit. But it also has its limitations. The ability of the player in question to finish off the chance, the quality of the opposing keeper etc.

Personally i think its a good addition to the stats/analysis, the use in this Son analysis as an example.

Gets a bit of stick when it doesnt reflect the final outcome, but thats not the idea - its trying to illustrate the disparity between the final score and the potential outcome based on historical stats.

Obviously we can look at the villa game with the eye test and see hugo had a blinder and son was absolutely lethal so could easily have been 3-2 villa, but nice to see it quantified.
 

Timberwolf

Well-Known Member
Jan 17, 2008
10,328
50,217
Thanks for that. Does it take into account who is taking the shot? Kane and Sissoko for example taking a shot for the same part of the pitch would have a completely different change of being a goal but if i understand correctly the game xg
Not at all.

The idea is that it's completely objective and can be applied to any game without taking into account the talent of the players.

It's far from perfect as it's practically impossible to take every single element into account (the body position of the striker, the spin on the ball, the number of defenders in the way, the ability of the keeper) so always should be taken with a pinch of salt, but if you want a snapshot of which team created the best chances in a match, it's a useful tool.

In terms of Son, the xG shows that he's the elite of the elite when it comes to finishing. This was displayed very clearly against Villa, when his first and third goals were very difficult opportunities and had a combined xG of about 0.2, which basically means on average a player only scores both of those shots 10% of the time. Son being Son, he scored them both.
 

Saoirse

Well-Known Member
Aug 20, 2013
6,165
15,644
We've got the two best finishers in the world. If we can keep creating chances as we have been again recently, we could do very very well indeed.
 

sparx100

Well-Known Member
Jan 8, 2007
4,661
6,725
He is unbelievably clinical. Left or right foot are equally brilliant. It is fine to point out areas he can improve upon however. He can bumble and cough up possession easily, but his goal contributions are unbelievable. Better than I thought. He is hitting top form at the right time of the season.
 

BorjeSpurs

Well-Known Member
Jun 29, 2007
3,295
18,563
I think our famous City away win helps to describe the utility of expected goals. While City was dominant in terms of possession and shots (21 vs 6 shots), Spurs was able to keep City away from really clear cut chances. They scored 2 goals from a penalty and a goal keeping error whereas the other attemps was low probability chances. We only had 6 shots all game but we created 4 big chances and scored from 3 of them.

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coyspurs18

Mistakes were made
Jul 4, 2013
2,604
7,137
Do they take into account if the shot falls to a player’s weaker foot? If so that would definitely be a reason Son and Kane outperform their xG.
 

ljinko888

Well-Known Member
May 17, 2016
2,089
5,397
I hope he gets the Golden Boot. He is a world class footballer and it will shut idiots like Merson up who think he's just a good foil for Kane.
 

Chinaspur

Well-Known Member
Oct 1, 2005
2,917
5,298
Final day. Son and Salah tied for the golden boot. We’re winning 3-0 and get a penalty. Does Harry let him take it?
 
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