Mercato XI
Mercato XI
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Kai Wagner
#31

Kai Wagner

Left Back
Germany
29 yrs
183 cm
80 kg
left foot
Birmingham City

Current Team

Birmingham City

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Kai Wagner

Kai Wagner

Defender·Birmingham City
33Tkl · 18Int

Performance Summary

Season snapshot

Season Rating

7.1/10
Appearances17
Minutes1,489

Tackles / G

1.9

Int / G

1.1

Duel Win %

59%

Aerials Won

29

Clean Sheets

4

Pass Acc.

71.2%

2025/2026How we count

Tackles

33

Interceptions

18

Appearances

17

Rating

7.09

Detailed stats

Player Statistics

Goals

1

Assists

3

Shots

6

Shots on Target

2

Shot Accuracy

33%

Big Chances Created

6

Transfer History

Career moves for Kai Wagner

Total fees: €2.5M
Jan 2, 2026
Transfer
Philadelphia Union
Philadelphia Union
Birmingham City
Birmingham City
€2.5M
Feb 6, 2019
Transfer
Würzburger Kickers
Würzburger Kickers
Philadelphia Union
Philadelphia Union
Jul 1, 2017
Free Transfer
Schalke 04 II
Schalke 04 II
Würzburger Kickers
Würzburger Kickers
Jul 1, 2016
Free Transfer
Ulm
Ulm
Schalke 04 II
Schalke 04 II
Jul 1, 2015
Free Transfer
Augsburg U19
Augsburg U19
Ulm
Ulm

About Kai Wagner

Kai Wagner is a 29-year-old German left back at Birmingham City, where he wears the number 31 shirt. Standing at 183cm and left-footed, he plays in the Championship.

Across 17 appearances and 1,489 minutes in the 2025/26 season, Kai Wagner has contributed 33 tackles and 18 interceptions to his side's defensive work, also chipping in with 1 goal and 3 assists.

Mercato XI currently values Kai Wagner at €4.5M, a figure that has remained broadly steady in recent months. Playing regularly in the Championship, a defined role at Birmingham City, and being at a productive age for a defender all support a positive outlook on his value. Read the methodology to learn more about how we estimate player value.