Skip to content
KKKacper Kostorz

Kacper Kostorz

€1MMarket Value
Polonia Warszawa
Polonia Warszawa•Attacker•
PolandPoland
6.5
Season Score
27
Aug 21, 1999
191 cm
Height
99
Shirt Number
Card stats based on
2026/2027

Performance Overview

Season Performance 26/27
All Competitions
Matches
7
Goals
0
Assists
0
Goal Contributions
0
Mins/game
69
Avg Rating
6.46
Career Statistics

Career

Career Progress

Career Progress

Appearances per Season

Appearance Distribution

22
Full match
15
Substituted off
58
From Bench

Kacper Kostorz — computed career insights

Career figures, computed
Best-rated season
2023/2024 · 7.21Eerste Divisie
Lowest-rated season
2026/2027 · 6.461. Liga
Rating trend
-0.31last 2 rated seasons vs career average before them (min. 5 apps)
Career involvement (league)
0.46 G+A per 9019 goals + 4 assists across 11 league seasons (per-90 from 4471 minutes on record)
League seasons on record
11 (2017–2026)
Clubs with recorded appearances
8
Among position peers, computed
Rating percentile
19thrating 6.77 vs 72 rated peers
Goals rank
#40 of 723 goals
G+A per 90 percentile
70th0.49 per 90

Cohort: 72 Eredivisie forwards, 2024/2025, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.

Figures computed from the GioScore season-stats database · as of 2026-09-05

Rival Clubs(50)

Player stats against each opponent club

TeamMPWDLGA
Willem IIWillem II30210000
FC GroningenFC Groningen30121000
Radomiak RadomRadomiak Radom31110000
FeyenoordFeyenoord20110000
Lechia GdańskLechia Gdańsk20020000
Slavia PrahaSlavia Praha21100000
Miedź LegnicaMiedź Legnica21100000
NEC NijmegenNEC Nijmegen21010000
FC TwenteFC Twente21010000
NapoliNapoli20020000
AjaxAjax21010000
PSVPSV20021000
FC UtrechtFC Utrecht20020010
RKC WaalwijkRKC Waalwijk21010000
Sparta RotterdamSparta Rotterdam21100000
PEC ZwollePEC Zwolle21011000
Heracles AlmeloHeracles Almelo20110000
Fortuna SittardFortuna Sittard21011000
NiecieczaNieciecza21100000
Ruch ChorzówRuch Chorzów21100000
1–20 of 50
Transfers

Transfers

Transfer Value History

Transfer History

Pogoń Szczecin
Pogoń Szczecin
Polonia Warszawa
Polonia Warszawa
Jan 26, 2026Free Transfer
NAC Breda
NAC Breda
Pogoń Szczecin
Pogoń Szczecin
Jun 30, 2025End of loan
Pogoń Szczecin
Pogoń Szczecin
NAC Breda
NAC Breda
Jul 9, 2024Loan
FC Den Bosch
FC Den Bosch
Pogoń Szczecin
Pogoń Szczecin
Jun 30, 2024End of loan
Pogoń Szczecin
Pogoń Szczecin
FC Den Bosch
FC Den Bosch
Jul 11, 2023Loan
Korona Kielce
Korona Kielce
Pogoń Szczecin
Pogoń Szczecin
Jun 30, 2023End of loan
Pogoń Szczecin
Pogoń Szczecin
Korona Kielce
Korona Kielce
Feb 17, 2023Loan
Legia Warszawa
Legia Warszawa
Pogoń Szczecin
Pogoń Szczecin
Jan 7, 2022Transfer
Miedź Legnica
Miedź Legnica
Legia Warszawa
Legia Warszawa
Jul 31, 2020End of loan
Legia Warszawa
Legia Warszawa
Miedź Legnica
Miedź Legnica
Feb 24, 2020Loan
Podbeskidzie
Podbeskidzie
Legia Warszawa
Legia Warszawa
Jun 30, 2019End of loan
Legia Warszawa
Legia Warszawa
Podbeskidzie
Podbeskidzie
Jan 13, 2019Loan
Podbeskidzie
Podbeskidzie
Legia Warszawa
Legia Warszawa
Jan 12, 2019Transfer€200K
Karvina U19
Karvina U19
Gornik Z. U19
Gornik Z. U19
Jul 1, 2013Free Transfer

About Kacper Kostorz

Kacper Kostorz's 6 outings in the 2026/2027 1. Liga (401 minutes) produced no goals and no assists. His average match rating for that season computes to 6.46. Against a cohort of 72 Eredivisie forwards with a minimum of 450 minutes in 2024/2025, his match rating places in the 19th percentile; for goals scored he stands 40th of 72.

His best-rated season remains 2023/2024 (7.21, Eerste Divisie); his lowest was 2026/2027 (6.46). His last two rated seasons average 0.31 below his earlier career level.

His recorded league football covers 4 domestic leagues: 1. Liga (46 appearances, 4 goals), Ekstraklasa (39 appearances, 3 goals) and Eredivisie (24 appearances, 3 goals) — the three with most games. The densest run of the record is 2023/2024–2025/2026, with 70 league games — an average of 23 per season.

Frequently Asked Questions

What position does Kacper Kostorz play?
Kacper Kostorz plays as an Attacker for Polonia Warszawa in the 1. Liga. He has started 4 of his 6 appearances in the 1. Liga 2026/2027.
What team does Kacper Kostorz play for?
Kacper Kostorz currently plays for Polonia Warszawa in the 1. Liga. He has 6 appearances in the 1. Liga 2026/2027.
How old is Kacper Kostorz?
Kacper Kostorz is 27 years old, born on August 21, 1999. He is from Poland.
How tall is Kacper Kostorz?
Kacper Kostorz is 191 cm tall. He weighs 79 kg.
What nationality is Kacper Kostorz?
Kacper Kostorz is from Poland and represents them at international level. At club level, he plays for Polonia Warszawa.