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Kristoffer Ajer
CB · Age 27 · Norway · Brentford FC · Premier League · Contract: 2030-06
0
Goals
1.1
xG
0.9
xA
1,626
Minutes
Compare Share on X
Percentile rankings
Where this player ranks among position peers in the same league.
Kristoffer Ajer
Percentile rankings — vs Centre-Backs in Premier League
78 players · min 450 minutes · 2025/2026 season
Minutes played: 1638
<30
30–49
50–74
75–89
90+
What do these stats mean?
Deployment
How the coach uses this player — start frequency, substitution patterns, availability.
2025/2026 · 31 matches 58% start rate
Started 18
Sub 6
58%
Start rate
84
Avg mins
67%
vs Top 6
14
Injuries
Match-by-match
League start
European start
Sub
Unused
Goal
xG timeline Goals scored vs. expected goals by season — the gap shows finishing quality. Download
Goals
xG
Shot map Where shots are taken from and whether they go in.
Goal No goal
0 Goals 1.1 xG 10 Shots 0.0% Conv.
0
Goals
1.1
xG
10
Shots
0.0%
Conv. rate
Performance
Raw output numbers across all tracked seasons.
SeasonLeagueGPGxGxAShots+/-
2025/2026 EPL 24 0 1.1 0.9 10 -1.1
2024/2025 EPL 24 0 1.1 1.5 9 -1.1
2023/2024 EPL 28 2 1.5 2.6 12 +0.5
2022/2023 EPL 9 0 0.0 0.0 1 -0.0
2021/2022 EPL 24 1 1.1 2.2 7 -0.1

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Transfer history
Career moves with recorded transfer fees.
DateFromToTypeFee
21 Jul 2021 Celtic Brentford fee € 15.7M
01 Jul 2017 Kilmarnock Celtic n/a
01 Jul 2016 Start Celtic fee € 600K
Injury record
Recorded injuries — type, timing, and duration.
14 recorded injuries
TypeDateDuration
Knock 09 May 2025 6 days
Ankle Injury 22 Dec 2024 4 weeks, 3 days
Foot Injury 27 Oct 2024 5 weeks, 2 days
Ankle Injury 01 Sep 2024 1 week, 4 days
Facial Injury 05 May 2024 5 days
Calf Injury 07 Apr 2024 1 week, 5 days
Foot Injury 03 Dec 2023 6 weeks, 1 days
Calf/Shin Injury 12 Mar 2023 7 weeks, 5 days
Knee Injury 30 Oct 2022 10 weeks, 5 days
Knock 30 Jul 2022 4 weeks, 6 days
Knock 23 Apr 2022 1 week, 1 days
Knock 06 Mar 2022 5 days
Thigh Injury 29 Oct 2021 9 weeks, 1 days
Broken Ankle 15 Aug 2021 5 days
International
National team appearances and goals.
Norway
17 caps 2 goals
International timeline
Recent international appearances.
DateWindowOpponentCompetitionRoleMinsGA
16 Nov 2025 2025 November Window Italy WC Qualifiers (UEFA) START 90 0 0
13 Nov 2025 2025 November Window Estonia WC Qualifiers (UEFA) START 90 0 0
11 Oct 2025 2025 October Window Israel WC Qualifiers (UEFA) START 90 0 0
09 Sep 2025 2025 September Window Moldova WC Qualifiers (UEFA) START 90 0 0
04 Sep 2025 2025 September Window Finland Friendlies START 90 0 0
09 Jun 2025 2025 June Window Estonia WC Qualifiers (UEFA) START 90 0 0
06 Jun 2025 2025 June Window Italy WC Qualifiers (UEFA) START 90 0 0
25 Mar 2025 2025 March Window Israel WC Qualifiers (UEFA) START 90 1 0
22 Mar 2025 2025 March Window Moldova WC Qualifiers (UEFA) START 90 0 0
13 Oct 2024 2024-25 Nations League Austria Nations League START 90 0 0
10 Oct 2024 2024-25 Nations League Slovenia Nations League START 90 0 0
08 Jun 2024 2024 June Window Denmark Friendlies START 90 0 0
05 Jun 2024 2024 June Window Kosovo Friendlies START 90 0 0
26 Mar 2024 2024 March Window Slovakia Friendlies START 90 0 0
22 Mar 2024 2024 March Window Czech Republic Friendlies START 90 0 0
16 Nov 2023 2023 November Window Faroe Islands Friendlies START 90 0 0
07 Sep 2023 2023 September Window Jordan Friendlies START 90 1 0
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Centre-Backs · Data: Understat, API-Football, Football-Data.org