Jan Ziolkowski
Mercato XI valuation · €20.9M · July 2026
Current Team
Roma
Jan Ziolkowski
Performance Summary
Season snapshot
Season Rating
Tackles / G
1.3
Int / G
0.6
Duel Win %
57%
Aerials Won
37
Clean Sheets
12
Pass Acc.
84.3%
Tackles
35
Interceptions
16
Appearances
27
Rating
6.69
Detailed stats
Player Statistics
Goals
1
Assists
1
Shots
8
Shots on Target
1
Shot Accuracy
13%
Transfer History
Career moves for Jan Ziolkowski
About Jan Ziolkowski
Jan Ziolkowski is a 21-year-old Polish centre back at Roma, where he wears the number 24 shirt. Standing at 194cm and right-footed, he plays in Serie A.
Across 27 appearances and 1,254 minutes in the 2025/26 season, Jan Ziolkowski has contributed 35 tackles and 16 interceptions to his side's defensive work, also chipping in with 1 goal and 1 assist.
As of July 2026, Mercato XI values Jan Ziolkowski at €20.9M, a figure that has remained broadly steady in recent months. Playing regularly in Serie A, a defined role at Roma, and being at a productive age for a defender all support a positive outlook on his value. Read the methodology to learn more about how we estimate player value.
Frequently asked questions
What position does Jan Ziolkowski play?+
Jan Ziolkowski plays as a centre back for Roma, and is 21 years old.
What are Jan Ziolkowski's stats for the 2025/26 season?+
In the 2025/26 season, Jan Ziolkowski has made 27 appearances in Serie A, contributing 35 tackles, 16 interceptions, 1 goal and 1 assist.
How is Jan Ziolkowski's 2026 market value calculated?+
Mercato XI estimates Jan Ziolkowski's market value with an AI model that weighs his on-pitch performance, age, and the strength of Serie A. The valuation is recalculated every month.