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Kristoffer Ajer

BrentfordDefenderNorwayBorn 17 April 1998 (28)198 cm92 kg

Kristoffer Ajer is a defender for Brentford. Kristoffer Ajer is 28 years old, a national of Norway and 198 cm tall. In the 2026 season, Kristoffer Ajer recorded 19 appearances, 2 goals and 1,667 minutes, at an average match rating of 6.8. Before Brentford, Kristoffer Ajer played for Celtic, Kilmarnock and Start. 442ball tracks every appearance and recomputes these totals from the match record, not a copied feed.

Season stats

Apps
19
Goals
2
Assists
0
Minutes
1667
Cards (Y/R)
4/0
Rating
6.80
By competition
CompetitionAppsGoalsAssistsMinutesRating
Premier League9108086.83
FIFA World Cup5004806.86
UEFA Nations League3102706.70
EFL Cup2001096.60

Summed across every competition for the season. Ratings are minutes-weighted.

Detailed statistics

Totals by default; the Per 90 toggle above switches every figure to a rate. A per-90 is shown only above 450 minutes in the matches where that statistic was recorded, so below it the total is left in place.

Premier League

Rating in this competition 6.83

Minutes 808

Shooting

Goals
10.11
Shots
30.33
Shots on target
10.11

Passing

Assists
00.00
Key passes
40.45
Goals and assists
10.11

Possession

Dribbles completed
10.11
Dribbles attempted
30.33
Fouls won
50.56

Defending

Tackles
70.78
Interceptions
131.45
Blocks
30.33
Fouls conceded
40.45

FIFA World Cup

Rating in this competition 6.86

Minutes 480

Shooting

Goals
00.00
Shots
20.38
Shots on target
10.19

Passing

Assists
00.00
Key passes
10.19
Goals and assists
00.00

Possession

Dribbles completed
20.38
Dribbles attempted
20.38
Fouls won
10.19

Defending

Tackles
81.50
Interceptions
40.75
Blocks
20.38
Fouls conceded
20.38

UEFA Nations League

Rating in this competition 6.70

Minutes 270

Shooting

Goals
11
Shots
11
Shots on target
11

Passing

Assists
00
Key passes
11
Goals and assists
11

Possession

Dribbles completed
22
Dribbles attempted
22
Fouls won
33

Defending

Tackles
11
Interceptions
33
Blocks
00
Fouls conceded
33

EFL Cup

Rating in this competition 6.60

Minutes 109

Shooting

Goals
00
Shots
00
Shots on target
00

Passing

Assists
00
Key passes
00
Goals and assists
00

Possession

Dribbles completed
00
Dribbles attempted
00
Fouls won
00

Defending

Tackles
11
Interceptions
22
Blocks
00
Fouls conceded
00

Every match, season by season

Season performance

Percentile against 353 defenders in tier-1 competitions, 2026 season, 450+ minutes.

Shooting

  • Goals10.1176
  • Penalty goals00.000
  • Shots30.3330
  • Shots on target10.1139

Passing

  • Assists00.000
  • Key passes40.4555
  • Pass accuracy81.97%81.97%22
  • Accurate passes25027.8516

Possession

  • Dribbles attempted30.3345
  • Dribbles completed10.1128
  • Duels566.2432
  • Duels won333.6838
  • Duels won %58.93%58.93%59

Defending

  • Blocks30.3377
  • Fouls committed(fewest)40.4588
  • Interceptions131.4571
  • Tackles70.7814

Discipline

  • Fouls drawn50.5647
  • Red cards(fewest)00.00100
  • Yellow cards(fewest)20.2235

Some measures are better when they are lower: fouls, cards and goals conceded are marked, and their percentile is turned round so that further along the bar is better on every row. The figure beside the bar is always the actual number, never the inverted one.

Each axis is a percentile against players in the same position, season and competition tier who also cleared the minutes floor. Further from the centre is better on every axis.

Career

Senior football only. Every competition in our record is a senior one, so nothing is filtered out to make this list senior.

Clubs only. International appearances are counted in the career totals above and have no club to list here.

ClubSpellAppsGoals
Brentford2021 to 20261364
Celtic2016 to 20201677
Kilmarnock2016160
SeasonClubAppsGoalsAssistsRating
2026Brentford11106.78
2026InternationalNorway8106.80
2025Brentford31026.68
2024Brentford25006.69
2024InternationalNorway2006.70
2023Brentford31216.87
2022Brentford10006.42
2022InternationalNorway1006.90
2021Brentford28136.83
2020Celtic46247.12
2020InternationalNorway13006.92
2019Celtic50416.71
2018Celtic41107.05
2018InternationalNorway200
2017Celtic29006.20
2016Celtic, Kilmarnock1700

A season holding both is two lines: the clubs played for, and the national team, counted separately. No club line includes an international appearance.

Career figures cover our record, which begins in 2010.

Recent matches

The five most recent matches, each linking to its own page. The full log carries every appearance.

All matches and ratings

Career history

At Brentford since Jul 2021.

Transfer history

  1. CelticBrentfordJul 2021
  2. KilmarnockCelticJul 2017
  3. StartCelticJul 2016