Marc Lamberts
@lambertsmarc.bsky.social
Historian | Football Data Scientist | Scout/analyst | UEFA + CAF license | 🇳🇱🇹🇿🏴
Building WAR for Football #4: Projections and predictions ⚽️📊💻 In Part IV, I move away from the actual model, but look at ways to project ongoing and future seasons (2026, 2026-2027). What's the projected WAR at the end of the season? medium.com/@marclambert...
Building WAR for Football #4: Projections and Predictions
In Part I, I said there would be an article on per-season WAR and projections. While working on it, I realised the projection part needed…
medium.com
Data is always biased: Creating metrics from event data marclamberts.medium.com/data-is-alwa...
Data is always biased: Creating metrics from event data
In sports media, and football in particular, statistics and data are often represented as fact. As undeniable facts which we can’t argue…
marclamberts.medium.com
Building WAR for Football #3: Data collection, cleaning, manipulation & clarification marclamberts.medium.com/building-war...
NEW | How do clubs play in Veikkausliiga? 🇫🇮 Using different in possession and out possession metrics, I have analysed 5 different playing styles in the Veikkausliiga 2026. Read more ⤵️ marclamberts.substack.com/p/how-do-clu...
How do clubs play in Veikkausliiga?
Playing styles in the Finnish top tier
marclamberts.substack.com
Building WAR for Football #3: Data collection, cleaning, manipulation & clarification ⚽️📊💻 After criticising my own V1 model, in this article I focus on data collection, cleaning, manipulation, and clarification. Including a 12-league network. medium.com/@marclambert...
Building WAR for Football #3: Data collection, cleaning, manipulation & clarification
Wins Above Replacement has been the topic of my dreams/nightmares for the last few months, and I’m afraid this won’t be changing for the…
medium.com
Building WAR for Football #2: Feedback on my initial model medium.com/@marclambert...
Building WAR for Football #2: Feedback on my initial model
I have been thinking. A lot. WAR in football (soccer): how do I actually make it worth it? In the first instalment of this series, I went…
medium.com
Building WAR for Football #1: My first attempt at Wins Above Replacement medium.com/@marclambert...
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Tracking goalkeepers: Enhancing GK profiles with tracking data marclamberts.medium.com/tracking-goa...
Tracking goalkeepers: Enhancing GK profiles with tracking data
Recently I got access to tracking data of the Premier League 2022–2023 season, and I was playing around with it. The initial idea was to…
marclamberts.medium.com
Building WAR for Football #2: Feedback on my initial model ⚽️📊💻 I criticise my own WAR V1 model. There are so many things I forgot to include, made wrong/incomplete assumptions + neglected the intricacies of football dynamics compared to other sports. medium.com/@marclambert...
Building WAR for Football #2: Feedback on my initial model
I have been thinking. A lot. WAR in football (soccer): how do I actually make it worth it? In the first instalment of this series, I went…
medium.com
Enhancing GK recruitment profiles with tracking data ⚽️🧤📊 On-ball data only captures 2% of the 90 minutes for a goalkeeper. With tracking data, we can create off-ball metrics and profiles -> get a complete and better data profile of goalkeepers marclamberts.medium.com/tracking-goa...
Tracking goalkeepers: Enhancing GK profiles with tracking data
Recently I got access to tracking data of the Premier League 2022–2023 season, and I was playing around with it. The initial idea was to…
marclamberts.medium.com
Introducing the Probability Even Strength Index (PESI): how can we rank expected performances under even strength conditions? marclamberts.medium.com/introducing-...
Introducing the Probability Even Strength Index (PESI): how can we rank expected performances under…
I can’t be the only one who feels like this from time to time. I have hit the wall in terms of creating or developing completely new…
marclamberts.medium.com
Chess strategies in football: designing tactical passing styles based on chess ⚽️♟️ marclamberts.medium.com/chess-strate...
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Tracking goalkeepers: Enhancing GK profiles with tracking data marclamberts.medium.com/tracking-goa...
Tracking goalkeepers: Enhancing GK profiles with tracking data
Recently I got access to tracking data of the Premier League 2022–2023 season, and I was playing around with it. The initial idea was to…
marclamberts.medium.com
Building WAR for Football #1: My first attempt at Wins Above Replacement marclamberts.medium.com/building-war...
Building WAR for Football #1: My first attempt at Wins Above Replacement
Conversations are endless about a few things in sports analytics, but what I have done for years on end is discuss whether we can find a…
marclamberts.medium.com
Finding overperforming strikers using contextual anomalies marclamberts.medium.com/finding-over...
Finding overperforming strikers using contextual anomalies
I was reminiscing early this week about the days that I just spent hours in Tableau with Wyscout data and making scatterplots for the life…
marclamberts.medium.com
Calculating triangular third-man runs with event data: how reliable are the results? marclamberts.medium.com/calculating-...
Calculating triangular third-man runs with event data: how reliable are the results?
Data metrics and development always feel or look innovative. About 40% of the time, they are. It is very satisfying to create something…
marclamberts.medium.com
Building WAR for Football #1: My first attempt at Wins Above Replacement ⚽️📊 A concept of WAR with many flaws, but sharing the whole process is important. Only portraying successful version isn't reality. Methodology, calculations and results ⤵️ medium.com/@marclambert...
Building WAR for Football #1: My first attempt at Wins Above Replacement
Conversations are endless about a few things in sports analytics, but what I have done for years on end is discuss whether we can find a…
medium.com
Introducing Entropy-Adjusted Expected Goals (xG-adj) marclamberts.medium.com/introducing-...
Introducing Entropy-Adjusted Expected Goals (xG-adj)
You can’t escape it if you are interested in football: Expected Goals (xG). Every football app has it listed with the shot data; you can’t…
marclamberts.medium.com
The geometry of control: short passes in Eredivisie 2025–2026 marclamberts.medium.com/the-geometry...
The geometry of control: short passes in Eredivisie 2025–2026
If you ever wonder how I get to my ideas and think there’s a ridiculously academic process to it, let me kill that illusion. There isn’t…
marclamberts.medium.com
Very much a WIP, but with @skillcorner.bsky.social open Body Pose data we could detect scanning in players. This really is a gamechanger, to have this type of data.
NEW| Enhancing GK recruitment profiles with tracking data ⚽️🧤📊 On-ball data only captures 2% of the 90 minutes for a goalkeeper. With tracking data, we can create off-ball metrics and profiles -> get a complete and better data profile of goalkeepers buff.ly/R8lHBq8
Tracking goalkeepers: Enhancing GK profiles with tracking data
Recently I got access to tracking data of the Premier League 2022–2023 season, and I was playing around with it. The initial idea was to…
buff.ly
