Patrick Mainka

31 yrs · Centre-back · Germany
1. Fußballclub Heidenheim 1846 · Bundesliga · Foot: right · Height: 194 cm
Risk: LowConfidence: MediumSample: HighDevelopment: LowContract: until 30 Jun 2029
Market value
€2.5M
Updated 6 days ago
Estimated acquisition
€937k – €2.6M
Estimated · 20–80% range
Model value
€1.2M – €3.4M
Performance-implied · estimated
Projected (24m)
€775k – €2.0M
Resale range · estimated
Potential value gap
-€1.3M – €2.5M
Model value − acquisition

Value picture

Where the market, the likely price and the model estimates sit.

Estimated acquisition€937k – €2.6M
Model value (performance-implied)€1.2M – €3.4M
Projected value (24 months)€775k – €2.0M
Dashed line: current market value (€2.5M). Bars are 20–80% model ranges; tick = median.

The model rates Patrick Mainka's performance-implied value at EUR 1.2M-3.4M, above the estimated acquisition range of EUR 0.9M-2.6M. Its 24-month market value projection is EUR 0.8M-2.0M. Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.

Bargain Index: 11

What drives the score. Not a black box: each component and its level.

PerformanceAbove average70.1th pct among DEF peers (age-neutral)
AgeUnfavorable31.6 years
Acquisition costFavorableest. €1.7M vs market €2.5M
Expected appreciationVery low-54% over ~2 years (model)
Value gapSmallweak predictor on its own
DevelopmentLow
League translationBig-five leagueleague coefficient 0.94
Tactical fitNot evaluatedRequires event/role data not available from the current free source.
RiskLow
Data confidenceMedium

Bargain Index = percentile (among all evaluated players) of expected 2-year value relative to estimated cost. See methodology and backtests.

Market value history

Market value ≠ transfer fee ≠ acquisition cost.

Highest recorded: €3.0M

Profile vs positional peers

Percentiles among 1268 evaluated DEF players with 900+ minutes.

Performance (last season, league)

Minutes
3060 (100% of available)
Goals + assists / 90
0.12
Context-adjusted G+A / 90
0.12
xG, xA, progression
Data unavailable
Defensive actions
Data unavailable
Performance percentile
70 (Above average)

Adjusted = shrunk toward positional baseline for small samples, corrected for team dominance over opponents, expressed relative to positional peers in the same league.

Context

League strength
0.94 (rank 3)
Team strength (Elo)
1323
Opponent strength
1498
Possession, role
Data unavailable

League strength 1.00 = average club of the big-five leagues. Elo includes continental matches.

Potential

Development
Low
Trajectory
improving
Breakout probability
Age > 23
Resale range (24m)
€775k – €2.0M

Trajectory drivers: relative output up 55% vs positional peers.

Historical comparables (8): median 2-year value change -31% (IQR -78% to +0%).

Risk profile

Overall: Low

  • ⚠Age 32: resale value typically declines.
  • ⓘInjury history unavailable from current data source.

League translation

What happened to players who moved from this league to the big-five leagues (observed, not a forecast).

Already playing in a big-five league.

Output is relative to positional peers in each league. Movers are a selected group (clubs buy players who fit), so treat this as context, not a guarantee.

Season-by-season (domestic league)

Context-adjusted values are model outputs.

SeasonClubLeaguePosAppsMinMin shareGAG+A/90Adj. G+A/90Opp. EloTeam EloLeague str.
2025/261. Fußballclub Heidenheim 1846BundesligaCB343060100%220.120.12149813230.94
2024/251. Fußballclub Heidenheim 1846BundesligaCB343060100%110.060.07150113530.94
2023/241. Fußballclub Heidenheim 1846BundesligaCB343060100%200.060.07152114241.01

Cups & continental competitions

SeasonCompetitionClubAppsMinGAAvg opp. Elo
2025/26Dfb Pokal1. Fußballclub Heidenheim 1846218000—
2024/25Uefa Conference League Qualifying1. Fußballclub Heidenheim 18462180001390
2024/25Dfb Pokal1. Fußballclub Heidenheim 184617400—
2023/24Dfb Pokal1. Fußballclub Heidenheim 1846218000—

Small continental samples are shown for context only and are not over-weighted.

Historical comparables

Most similar profiles 2+ years ago (same position group) and what happened next. Chosen by similarity only — failures included.

Player (then)AgeValue then~2y laterOutcome
Oswaldo Vizcarrondo
Ligue 1 · 2015
31€2.5M€500kfell
Simon Francis
Premier League · 2016
31€2.0M€2.5Mrose
Uwe Hünemeier
Bundesliga · 2015
29€1.5M€1.5Mflat
Lukas Tesak
Premier Liga · 2015
30€850k€600kfell
Ignasi Miquel
Laliga · 2024
32€1.2M€1.2Mflat
Oier Sanjurjo
Laliga · 2017
31€1.8M€1.2Mfell
Pablo Martínez
Ligue 1 · 2020
31€2.5M€500kfell
Romain Thomas
Ligue 1 · 2021
33€1.8M€400kfell

Transfer history

Fees as reported by the source; undisclosed fees shown as unknown, never estimated.

DateFromToFeeMV at time
1 Jul 2018B. Dortmund IIHeidenheimFree / loan€200k
5 Jan 2016W. Bremen IIB. Dortmund IIUnknown€150k
17 Jul 2014A. Bielefeld IIW. Bremen IIUnknown€100k
1 Jul 2013Bielefeld U19A. Bielefeld IIUnknown€50k
1 Jul 2011Bielefeld U17Bielefeld U19UnknownData unavailable

MoneyballAI identifies statistical opportunities from available data. A player flagged as a potential bargain is not guaranteed to succeed, to transfer, to rise in value, or to generate resale profit. Market values, fees and contracts come from third-party sources; ranges are model estimates with stated confidence.

Patrick Mainka · MoneyballAI