Every season, SigningLab publishes how well each club and each league turned signings into performance, signing by signing. Open and validated, with editions since 2016. Start with the club rankings below; the cross-league comparison follows.
Each ranking measures the share of a club's signings that performed at or above the baseline expected for the level of investment, read on minutes, performance, availability and collective contribution. A club that finds undervalued players who outperform ranks above one that spends more for the same result.
The reading is ex-ante and auditable: outcomes are compared against what was reasonable to expect before each signing. The market gets roughly one in three right; the rankings show who does better, and who does worse. To access, pick a competition and a season below for the club ranking, or open the cross-league comparison. Switch the language in the menu and the reports follow.
Technical details on the method: Methodology · Accuracy · Glossary.
Each edition brings the club ranking for that season, signing by signing.
Editions in Portuguese and English. Pick a language from the menu and the reports follow.
Six seasons of reading on how well clubs signed in each league, with the yearly editions and the latest balance.