Stephen Welsh

26 yrs · Centre-back · Scotland
Motherwell FC · Scottish Premiership · Foot: right · Height: 189 cm
Risk: HighConfidence: MediumSample: HighDevelopment: LowContract: until 30 Jun 2028
Market value
€2.0M
Updated 6 days ago
Estimated acquisition
€790k – €2.1M
Estimated · 20–80% range
Model value
€780k – €1.4M
Performance-implied · estimated
Projected (24m)
€908k – €3.1M
Resale range · estimated
Potential value gap
-€1.4M – €645k
Model value − acquisition

Value picture

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

Estimated acquisition€790k – €2.1M
Model value (performance-implied)€780k – €1.4M
Projected value (24 months)€908k – €3.1M
Dashed line: current market value (€2.0M). Bars are 20–80% model ranges; tick = median.

The model rates Stephen Welsh's performance-implied value at EUR 0.8M-1.4M, below the estimated acquisition range of EUR 0.8M-2.1M. Its 24-month market value projection is EUR 0.9M-3.1M. Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.

Bargain Index: 71

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

PerformanceBelow average32.7th pct among DEF peers (age-neutral)
AgeNeutral26.4 years
Acquisition costFavorableest. €1.4M vs market €2.0M
Expected appreciationLow-14% over ~2 years (model)
Value gapVery negativeweak predictor on its own
DevelopmentLow
League translationUncertainleague coefficient 0.31
Tactical fitNot evaluatedRequires event/role data not available from the current free source.
RiskHigh
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: €2.0M

Profile vs positional peers

Percentiles among 1268 evaluated DEF players with 900+ minutes.

Performance (last season, league)

Minutes
1964 (66% of available)
Goals + assists / 90
0.09
Context-adjusted G+A / 90
0.09
xG, xA, progression
Data unavailable
Defensive actions
Data unavailable
Performance percentile
33 (Below 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
0.31 (rank 26)
Team strength (Elo)
1246
Opponent strength
1199
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)
€908k – €3.1M

Trajectory drivers: minutes share up 49 pts; changed club; team strength down (-133 Elo); league level down (-134 Elo); relative output up 69% vs positional peers.

Historical comparables (8): median 2-year value change +73% (IQR -25% to +104%).

Risk profile

Overall: High

  • ▲League level coefficient 0.31 (1.00 = big-five average): output may not translate.
  • ⚠No continental-competition minutes last season.
  • ⚠Projection range wider than for most evaluated players.
  • ⓘ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).

Historical movers
16 (DEF)
Relative output kept
90%–275%
Held a regular role (900+ min)
75%
Confidence
Low

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.
2025/26Motherwell FCScottish PremiershipCB23195766%110.090.09119912450.31
2025/26Celtic FCScottish PremiershipCB170%000.000.05119614060.31
2024/25KV MechelenJupiler Pro LeagueCB740515%000.000.05137813500.63
2024/25Celtic FCScottish PremiershipCB1903%000.000.03120015120.34
2023/24Celtic FCScottish PremiershipCB943014%000.000.03122315110.34
2022/23Celtic FCScottish PremiershipCB436012%100.250.06123215880.40
2021/22Celtic FCScottish PremiershipCB977526%010.120.04127315750.50
2020/21Celtic FCScottish PremiershipCB1191731%100.100.06133215340.54
2019/20Celtic FCScottish PremiershipCB1763%000.000.02110816080.52

Cups & continental competitions

SeasonCompetitionClubAppsMinGAAvg opp. Elo
2025/26Scottish Fa CupCeltic FC16800—
2023/24Scottish Fa CupCeltic FC319100—
2023/24Uefa Champions LeagueCeltic FC175001631
2022/23Uefa Champions LeagueCeltic FC190001595
2021/22Uefa Europa League QualifyingCeltic FC3270001472
2021/22Uefa Europa LeagueCeltic FC3269101546
2021/22Uefa Champions League QualifyingCeltic FC2210001440
2021/22Scottish Fa CupCeltic FC321000—
2020/21Scottish Fa CupCeltic FC218000—
2020/21Uefa Europa LeagueCeltic FC356001621
2019/20Scottish Fa CupGreenock Morton FC324600—

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
Ahmet Calik
Super Lig · 2021
27€650k€1.4Mrose
Enzo Roco
Super Lig · 2021
29€2.0M€1.5Mfell
Kevin Diks
Superliga · 2021
25€1.5M€3.0Mrose
Lewis Miller
Scottish Premiership · 2024
24€800k€1.2Mrose
Majid Hosseini
Super Lig · 2022
26€3.0M€2.2Mfell
Arsen Adamov
Premier Liga · 2024
25€1.8M€1.0Mfell
Liam Scales
Scottish Premiership · 2023
25€650k€4.0Mrose
Uğurcan Yazğılı
Super Lig · 2024
25€1.0M€2.0Mrose

Transfer history

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

DateFromToFeeMV at time
1 Jul 2026CelticSwanseaUnknown€2.0M
31 May 2026Motherwell FCCelticFree / loan€2.0M
2 Feb 2026CelticMotherwell FCFree / loan€800k
12 Jan 2026Motherwell FCCelticFree / loan€800k
1 Sept 2025CelticMotherwell FCFree / loan€1.0M
30 Jun 2025KV MechelenCelticFree / loan€1.0M
9 Jan 2025CelticKV MechelenFree / loan€800k
1 Jul 2020Celtic BCelticUnknown€150k
24 Jan 2020MortonCeltic BFree / loan€50k
29 Aug 2019Celtic BMortonFree / loanData unavailable
1 Jul 2018Celtic U20Celtic BUnknownData unavailable
1 Jul 2017Celtic U17Celtic U20UnknownData unavailable
1 Jun 2016Celtic YouthCeltic U17UnknownData 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.

Stephen Welsh · MoneyballAI