Kacper Potulski

Potulski's current-season form is level with last season (Season 12→12), while his Rating held around 72. His peak season for form remains 2025/26 (Season 12).

Domestic career

Season	Club	Apps	G	A	Match	RTG	Season
2026/27	FSV Mainz 05 · 8th	3	0	0	6.67	72	12
2025/26	FSV Mainz 05 · 10th	15	1	0	6.78	72	12

Domestic-league totals per season. RTG = Field Insider Rating (potential / ceiling); Season = age-blind form that year. 3 youth-team spells in the full career.

Poland · international

Side	Apps	G
Poland U19	5	0
Poland U17	10	1

Career caps & goals — tournament breakdown in the full career.

Scout report

Squad depthBall-winning Full-back

K. Potulski is a 18-year-old full-back at FSV Mainz 05, rated 72.1 overall by Field Insider's model. A teenage prospect, he has been a fringe squad member this season (34.6% of available minutes). His defensive output reads 4.08 tackles, blocks and interceptions per 90. Below: strengths, watch-points, market-value outlook and the latest transfer news on Potulski.

On the season, Potulski graded 12 for current form (age-blind), on 1 clean sheet and 4.075 defensive actions per 90.

Year-on-year, that's broadly in line with last season (Season 12 → 12).

On long-term talent our Rating reads 72. At 18 Potulski is still climbing toward his ceiling, and a market index of 32.3 reflects that trajectory.

72.1

Ratingi

elite — among the best in the position

11.6

Seasoni

below regular-starter level

34.6%

Minutes

limited game time

4.08

Def. actions / 90

solid defensive volume

Output in context · FSV Mainz 05 finished 10th of 18 · a mid-table side

Apps

4.08

Def. / 90

Tackles

Interceptions

Clean sheets

4.08 tackles, blocks & interceptions per 90 — solid defensive volume, with 1 clean sheet across 15 appearances. Going forward he chipped in 1 goal and 0 assists — a useful bonus from the back.

Strengths

Defensive volume. 4.08 tackles, blocks & interceptions per 90 — does the unseen work.
Ceiling. High potential at just 18 — room to grow into a bigger role.

Watch points

Game time. Only 34.6% of available minutes — needs a settled run to prove the level.

Outlook

Rated 72.1 overall — elite — among the best in the position. Defensively he reads as solid defensive volume (4.08 tackles, blocks & interceptions per 90). At 18 the trajectory points up — potential sits near its ceiling (100/100) and market value should climb as minutes and output follow. With this floor already at 18, the ceiling gets tested by a step up in level — one to track.

Generated from Field Insider's rating model · AI-written analysis to follow.

Per 90 & availability

Minutes played %34.6%

Available fixtures34 of 34

Goals / 900.085

Assists / 900

Goal contribution / 900.085

Defensive actions / 904.075

Player flow

Goal involvements1

Cards / 900.255

Season-by-season progression

Rating (potential)Season (form)

Value & potential by age

Market valueRating

Solid = now · dashed = projected

The gold line is market value — an index (not €) blending rating, age and league. It climbs through the early 20s, peaks around ages 23–27 (~43), then tapers with age. At 18, Potulski sits on 32.3, still climbing toward its peak. The blue line is Potulski's projected Rating — 72.1 today — recomputed at each age, so it follows the same rise-and-fall as a career matures and declines. Solid = up to today; dashed = projected.

Season statistics

Bars = where he ranks among full-backs in the Bundesliga with 600+ minutes this season.

Shooting

Goals1

Passing

Assists0

Defending

Tackles15

Interceptions18

Blocks15

Yellow/red cards

Yellow cards3

Red cards0

About K. Potulski

Kacper Potulski is a 18-year-old full-back who plays for FSV Mainz 05, born on October 19, 2007, standing 195 cm tall. He is from Poland. FSV Mainz 05 currently sit 8th of 18 in the Bundesliga.

This season

In the current season, K. Potulski has made 3 appearances with 0 goals and 0 assists across 190 minutes, averaging a 6.67 match rating over his last 3 rated games.

Recent matches

September 12, 2026: 1-3 loss at home vs Eintracht Frankfurt (90 minutes, 6.34 rating)
September 6, 2026: 5-0 win away at Hamburger SV (90 minutes, 6.77 rating)
August 29, 2026: 0-0 draw at home vs SC Paderborn 07 (10 minutes, 6.9 rating)

K. Potulski's next match is on September 19, 2026, when FSV Mainz 05 face Borussia Mönchengladbach away in the Bundesliga.

Field Insider's view

Field Insider currently rates K. Potulski at 72.1 with a Season form score of 11.6. See the full scout report for strengths, watch-points and the market-value outlook.

Career

Across 4 recorded seasons, K. Potulski has totalled 48 club appearances with 5 goals and 0 assists for 3 different clubs. His busiest campaign came in 2024/25, with 24 appearances for Mainz 05 U19.

On the international stage, K. Potulski has represented Poland U19 and Poland U17 — 15 caps and 1 goal in our records.

Transfer news

No transfer news found for this player.