Players / William John Mannion
William John Mannion
Charlton

William John Mannion

Goalkeeper · Charlton. Explore performance, career and dated market values.

PositionGK Age28 ClubCharlton Market value€1.5mAlmost Signed estimate · 2026-09-17
View performanceView squad
Overview

Player snapshot

ClubCharltonChampionship
PositionGoalkeeperGoalkeeper
Date of birth28 years old
NationalityEnglandLondon
National teamNot verifiedCaps not stored
Contract untilNot currently verifiedExpired dates are not shown as current
Market value€1.5mAlmost Signed estimate · 2026-09-17
AvailabilityCurrent absence reportedShoulder Injury
Height186 cm74 kg
Shirt number#25Charlton
Performance
Season stats

Championship · 2026

Charlton · Goalkeeper

Appearances11 starts
Minutes900 substitute entries
Rating6.9provider season average
Saves375% derived save rate
Goals conceded11 per 90
Penalty saves0provider record
Cards0Y / 0Rdiscipline

Totals come from API-Football. Per-90 rates and percentages are transparent calculations from those totals; unavailable inputs remain blank.

Availability record

Injury and absence history

Provider-reported fixture absences are grouped into episodes; this is not a medical diagnosis.

Current absence reportedShoulder InjuryFixture date ·
Last 12 months1groups in recorded history
Last 24 months1groups in recorded history
Last 36 months1groups in recorded history
Provider records11fixture-level reports
Reported episodeRecord datesFixture recordsClub / competitionSource confidence
Shoulder InjuryUpper bodyFixture date → 11Not equal to matches missedCharltonChampionshipAPI-FootballProvider record

Days missed, matches missed and availability percentage appear only when a source supplies start, return and fixture-total data. This feed does not currently support those claims reliably.

Comparable profiles

Players similar to William John Mannion

Matched from stored role, age, value and season data. Similarity is descriptive, not a transfer recommendation.

Aynsley Alan William PearsAynsley Alan William PearsBlackburn · GKsame goalkeeper role · same goalkeeper group · similar age86match /100
Compare season stats2026 · 90 min / 2026 · 270 min

Profile match only: performance is excluded from the similarity score.

  • At least 180 minutes per player are required for per-90 comparison.

Scroll the table sideways to see both players.

William John Mannion and Aynsley Alan William Pears — stored season statistics
Context / metricWilliam John MannionAynsley Alan William Pears
Season20262026
CompetitionChampionshipChampionship
Team in this sampleCharltonBlackburn
Minutes90270
Appearances13
SourceAPI-FootballAPI-Football
SavesTotal / per 903— per 9031 per 90
Goals concededTotal / per 901— per 9041.33 per 90
Penalties savedTotal / per 900— per 9000 per 90

— means unavailable. Totals are shown even below 180 minutes; per-90 rates require at least 180. No league-strength adjustment is applied. Goals conceded also depend on the team.

Marius AdamonisMarius AdamonisSudtirol · GKsame goalkeeper role · same goalkeeper group · similar age75match /100
Compare season stats2026 · 90 min / Unknown season · — min

Profile match only: performance is excluded from the similarity score.

  • Season not recorded for both players.
  • Competition identity not recorded for both samples.
  • Playing time is missing.

Scroll the table sideways to see both players.

William John Mannion and Marius Adamonis — stored season statistics
Context / metricWilliam John MannionMarius Adamonis
Season2026Not recorded
CompetitionChampionshipCompetition not recorded
Team in this sampleCharltonTeam not recorded
Minutes90—
Appearances1—
SourceAPI-FootballNot recorded
SavesTotal / per 903— per 90—— per 90
Goals concededTotal / per 901— per 90—— per 90
Penalties savedTotal / per 900— per 90—— per 90

— means unavailable. Totals are shown even below 180 minutes; per-90 rates require at least 180. No league-strength adjustment is applied. Goals conceded also depend on the team.

Dayne Tristan St. ClairDayne Tristan St. ClairInter Miami · GKsame goalkeeper role · same goalkeeper group · similar age69match /100
Compare season stats2026 · 90 min / 2026 · 1,897 min

Profile match only: performance is excluded from the similarity score.

  • Different competitions; performance is not adjusted across leagues.
  • At least 180 minutes per player are required for per-90 comparison.

Scroll the table sideways to see both players.

William John Mannion and Dayne Tristan St. Clair — stored season statistics
Context / metricWilliam John MannionDayne Tristan St. Clair
Season20262026
CompetitionChampionshipMLS
Team in this sampleCharltonInter Miami
Minutes901,897
Appearances121
SourceAPI-FootballAPI-Football
SavesTotal / per 903— per 90562.66 per 90
Goals concededTotal / per 901— per 90391.85 per 90
Penalties savedTotal / per 900— per 9010.05 per 90

— means unavailable. Totals are shown even below 180 minutes; per-90 rates require at least 180. No league-strength adjustment is applied. Goals conceded also depend on the team.

Alen SherriAlen SherriCagliari · GKsame goalkeeper role · same goalkeeper group · similar age69match /100
Compare season stats2026 · 90 min / 2026 · — min

Profile match only: performance is excluded from the similarity score.

  • Different competitions; performance is not adjusted across leagues.
  • Playing time is missing.

Scroll the table sideways to see both players.

William John Mannion and Alen Sherri — stored season statistics
Context / metricWilliam John MannionAlen Sherri
Season20262026
CompetitionChampionshipSerie A
Team in this sampleCharltonCagliari
Minutes90—
Appearances10
SourceAPI-FootballAPI-Football
SavesTotal / per 903— per 90—— per 90
Goals concededTotal / per 901— per 900— per 90
Penalties savedTotal / per 900— per 90—— per 90

— means unavailable. Totals are shown even below 180 minutes; per-90 rates require at least 180. No league-strength adjustment is applied. Goals conceded also depend on the team.

Justin BijlowJustin BijlowGenoa · GKsame goalkeeper role · same goalkeeper group · similar age64match /100
Compare season stats2026 · 90 min / 2026 · 456 min

Profile match only: performance is excluded from the similarity score.

  • Different competitions; performance is not adjusted across leagues.
  • At least 180 minutes per player are required for per-90 comparison.

Scroll the table sideways to see both players.

William John Mannion and Justin Bijlow — stored season statistics
Context / metricWilliam John MannionJustin Bijlow
Season20262026
CompetitionChampionshipSerie A
Team in this sampleCharltonGenoa
Minutes90456
Appearances15
SourceAPI-FootballAPI-Football
SavesTotal / per 903— per 90132.57 per 90
Goals concededTotal / per 901— per 90101.97 per 90
Penalties savedTotal / per 900— per 9000 per 90

— means unavailable. Totals are shown even below 180 minutes; per-90 rates require at least 180. No league-strength adjustment is applied. Goals conceded also depend on the team.

Markus SchubertMarkus SchubertSC Paderborn 07 · GKsame goalkeeper role · same goalkeeper group · similar age64match /100
Compare season stats2026 · 90 min / 2026 · 0 min

Profile match only: performance is excluded from the similarity score.

  • Different competitions; performance is not adjusted across leagues.
  • At least 180 minutes per player are required for per-90 comparison.

Scroll the table sideways to see both players.

William John Mannion and Markus Schubert — stored season statistics
Context / metricWilliam John MannionMarkus Schubert
Season20262026
CompetitionChampionshipBundesliga
Team in this sampleCharltonSC Paderborn 07
Minutes900
Appearances10
SourceAPI-FootballAPI-Football
SavesTotal / per 903— per 900— per 90
Goals concededTotal / per 901— per 900— per 90
Penalties savedTotal / per 900— per 90—— per 90

— means unavailable. Totals are shown even below 180 minutes; per-90 rates require at least 180. No league-strength adjustment is applied. Goals conceded also depend on the team.

The score compares available profile facts only. Missing stats or value data never receive neutral points.

Career
Career economics

Transfer history

Confirmed provider records only; undisclosed terms are never estimated.

Recorded moves10 loans · 1 free moves
Known feesNo disclosed feesTotals are not converted across currencies
Highest disclosed feeNot suppliedNo verified monetary record

Latest recorded move: Cambridge United → Charlton · 14 Jun 2024, with terms recorded as Free transfer. The player was 26.

Season / dateRouteDeal typeReported termsAge
202414 Jun 2024Cambridge United → CharltonFreeFree transfer26
Career record

Career timeline

Dates retain the source's precision. Fixture and record dates are labelled separately.

Season context2026 season

Charlton · Championship

Season label only; no start date is supplied.
Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

Fixture dateShoulder Injury

Charlton

FreeCambridge United → Charlton

Provider transfer record

ProfileBorn

London, England

Value & contract

Market value

€1.5m

Almost Signed estimate · 2026-09-17

Market values and estimates are not asking prices or agreed transfer fees.

Contract

A current contract expiry has not been verified. Contract length, options and release clauses are unavailable.

News

William John Mannion in the news

No published article is linked to this player yet.

Data & updates
Fact provenance

Where this profile data comes from

Confidence describes the stored field and its source, not the player's quality.

IdentityWilliam John MannionHighAPI-Football · checked
Current clubCharltonHighAPI-Football · checked
CompetitionChampionshipHighAPI-Football · checked
PositionGoalkeeperHighAPI-Football · checked
Season stats2026 seasonHighAPI-Football · checked
Availability11MediumAPI-Football · checked
Transfer history1HighAPI-Football · checked
ContractNot storedLowNo public source stored · checked
Quality record updated: No automated consistency issue is currently recorded.
Profile updates

What changed?

Recorded updates show the previous and new values. Repeated position reports are grouped with their original dates.

0records in the last 24 hours0 updates · 0 retained records
No dated profile updates have been recorded yet.