Mathias Olesen

Following his move to Sonderjyske, Olesen's current-season form is up 74% on last season (Season 19→33), while his Rating climbed 37→39. That makes this his strongest season for form to date.

Domestic career

Season	Club	Apps	G	A	Match	RTG	Season
2026/27	Sonderjyske · 11th	4	0	3	7.37	31	1
2025/26	Grazer AKLoan · 11th	15	1	1	6.75	37	19
2025/26	SpVgg Greuther Fürth · 16th	12	0	1	6.53	50	10
2024/25	1. FC Köln · 13th	18	0	0	6.63	51	7
2023/24	1. FC Köln · 17th	6	0	0	6.33	60	1
2023/24	Yverdon SportLoan	17	0	1	6.59	—	—
2022/23	1. FC Köln · 11th	26	0	0	6.44	66	4

Domestic-league totals per season. RTG = Field Insider Rating (potential / ceiling); Season = age-blind form that year. 1 earlier season and 5 youth-team spells in the full career.

Luxembourg · international

Side	Apps	G
Luxembourg	48	3
Luxembourg U21	11	1
Luxembourg U19	6	1
Luxembourg U17	3	0

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

Scout report

Squad depthGoal-getting Attacking midfielder

M. Olesen is a 25-year-old attacking midfielder at Sonderjyske, rated 38.5 overall by Field Insider's model. In his prime years, he has been a rotation option this season (40.7% of available minutes). He brings 1.23 goal contributions per 90 (0 goals, 1.23 assists). Below: strengths, watch-points, market-value outlook and the latest transfer news on Olesen.

On the season, Olesen graded 33 for current form (age-blind), on 0 goals and 3 assists in 4 appearances (1.227 involvements per 90).

Year-on-year, that's a clear step up on last season (Season 19 → 33). Across the 6 seasons we hold, it's his best return yet.

On long-term talent our Rating reads 39. At 25 Olesen is in his prime years, and a market index of 10.2 reflects that trajectory.

From the career report

Read the full career report →

A career still climbing — Olesen is at his peak right now, and the curve hasn't flattened.

Peak: 2025/26Trending upRemarkably consistentStepped up 2025/26

38.5

Ratingi

developing / rotation level

32.6

Seasoni

below regular-starter level

40.7%

Minutes

rotation minutes

1.23

Goal contrib / 90

elite end product

Output in context · Sonderjyske finished 11th of 12 · a relegation-threatened side

Apps

Goals

Assists

G+A

Goals / app

0 goals in 4 appearances (0 per game) — light end product the role wants to see climb. He also laid on 3 assists, so the all-round involvement reads 3 goal contributions (0.75 per appearance).

Strengths

Final-third output. 1.23 goal contributions per 90 (0 goals, 1.23 assists) — productive for the role.

Watch points

Game time. Only 40.7% of available minutes — needs a settled run to prove the level.
Defensive numbers. Modest 1.23 defensive actions per 90 for the position.
Level. Rates below a nailed-on top-tier starter on our model.

Outlook

Rated 38.5 overall — developing / rotation level. In the final third he profiles as a genuine goal threat (1.23 goal contributions per 90). Approaching peak years; value is still building (price multiplier 2×) with the best seasons likely ahead.

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

Per 90 & availability

Minutes played %40.7%

Available fixtures4 of 11

Goals / 900

Assists / 901.227

Goal contribution / 901.227

Defensive actions / 901.227

Player flow

Goal involvements3

Pass accuracy %85

Dribble success %66.7

Cards / 900

Foul involvement / 903.273

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 (~10), then tapers with age. At 25, Olesen sits on 10.2, at or near its peak. The blue line is Olesen's projected Rating — 38.5 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.

Transfer history

SonderjyskeJul 2026 – now

SpVgg Greuther Fürth(back from loan)Jun 2026 – Jul 2026

Grazer AK(on loan)Feb 2026 – Jun 2026

SpVgg Greuther FürthJul 2025 – Feb 2026Free Transfer

1. FC Köln(back from loan)Jul 2024 – Jul 2025

YYverdon Sport(on loan)Jan 2024 – Jul 2024

1. FC Kölnuntil Jan 2024

About M. Olesen

Mathias Flaga Olesen is a 25-year-old attacking midfielder who plays for Sonderjyske, born on March 21, 2001 in København, standing 187 cm tall. He is from Luxembourg. Sonderjyske currently sit 11th of 12 in the Superliga.

This season

In the current season, M. Olesen has made 4 appearances with 0 goals and 3 assists across 220 minutes, averaging a 7.37 match rating over his last 3 rated games.

Recent matches

October 18, 2026: 4-0 win at home vs Silkeborg (90 minutes, 3 assists, 9.3 rating)
October 12, 2026: 0-3 loss away at Aarhus (66 minutes, 6.62 rating)
August 3, 2026: 0-1 loss away at Odense (5 minutes)
July 26, 2026: 2-3 loss at home vs FC Midtjylland (59 minutes, 6.2 rating)

M. Olesen's next match is on November 2, 2026, when Sonderjyske face FC Copenhagen at home in the Superliga.

Field Insider's view

Field Insider currently rates M. Olesen at 38.5 with a Season form score of 32.6. See the full scout report for strengths, watch-points and the market-value outlook.

His honours include 2 career titles — among them the 2. Bundesliga. Full list in the career record.

Career

Across 8 recorded seasons, M. Olesen has totalled 175 club appearances with 8 goals and 6 assists for 7 different clubs. His busiest campaign came in 2021/22, with 27 appearances for Köln II.

M. Olesen's career has also included time at SpVgg Greuther Fürth, Grazer AK, 1. FC Köln and YYverdon Sport.

On the international stage, M. Olesen has represented Luxembourg, Luxembourg U21, Luxembourg U19, Luxembourg U17 — 68 caps and 5 goals in our records.

Transfer news

No transfer news found for this player.

Profile

Season stats

Also this season

Career

Scout report

Output in context · Sonderjyske finished 11th of 12 · a relegation-threatened side

Strengths

Watch points