Gustav Julius Mortensen
#3

Gustav Julius Mortensen

Left Back
Denmark
22 yrs
left foot

Mercato XI valuation · €5.4M · July 2026

Standard Liège

Current Team

Standard Liège

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Gustav Julius Mortensen

Gustav Julius Mortensen

Defender·Standard Liège
23Tkl · 8Int

Performance Summary

Season snapshot

Season Rating

6.7/10
Appearances20
Minutes1,736

Tackles / G

1.1

Int / G

0.4

Duel Win %

40%

Aerials Won

7

Clean Sheets

6

Pass Acc.

81.3%

Season
2025/2026How we count

Tackles

23

Interceptions

8

Appearances

20

Rating

6.70

Detailed stats

Player Statistics

Shots

7

Shots on Target

1

Shot Accuracy

14%

Big Chances Created

4

Transfer History

Career moves for Gustav Julius Mortensen

Jan 15, 2026
Transfer
Lyngby Boldklub
Lyngby Boldklub
Standard Liège
Standard Liège
Jun 30, 2025
End of loan
Vendsyssel
Vendsyssel
Lyngby Boldklub
Lyngby Boldklub
Jul 1, 2024
Loan
Lyngby Boldklub
Lyngby Boldklub
Vendsyssel
Vendsyssel
Jul 1, 2023
Transfer
Lyngby U19
Lyngby U19
Lyngby Boldklub
Lyngby Boldklub

About Gustav Julius Mortensen

Gustav Julius Mortensen is a 22-year-old Danish left back at Standard Liège, where he wears the number 3 shirt. left-footed, he plays in the Pro League.

Across 20 appearances and 1,736 minutes in the 2025/26 season, Gustav Julius Mortensen has contributed 23 tackles and 8 interceptions to his side's defensive work.

As of July 2026, Mercato XI values Gustav Julius Mortensen at €5.4M, a figure that has remained broadly steady in recent months. Playing regularly in the Pro League, a defined role at Standard Liège, 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.

Frequently asked questions

What position does Gustav Julius Mortensen play?+

Gustav Julius Mortensen plays as a left back for Standard Liège, and is 22 years old.

What are Gustav Julius Mortensen's stats for the 2025/26 season?+

In the 2025/26 season, Gustav Julius Mortensen has made 20 appearances in the Pro League, contributing 23 tackles, 8 interceptions.

How is Gustav Julius Mortensen's 2026 market value calculated?+

Mercato XI estimates Gustav Julius Mortensen's market value with an AI model that weighs his on-pitch performance, age, and the strength of the Pro League. The valuation is recalculated every month.