Karetsas: 'Why I decided to join BVB' Check out new signing Konstantinos Karetsas’s first interview as a Borussia Dortmund player. 0:44 Now Playing Paused Ad Playing Behind the scenes: Karetsas' first day at Borussia Dortmund 1:30 Now Playing Paused Ad Playing Karetsas' first training session as Dortmund player 1:22 Now Playing Paused Ad Playing Karetsas scores debut goal for Dortmund 0:32 Now Playing Paused Ad Playing Kovac on Karetsas: 'We don't see him as a player right now, but as a person' 0:37 Now Playing Paused Ad Playing Karetsas inspired by incredible atmosphere after Hamburg win 0:35 Now Playing Paused Ad Playing Konstantelias' first training in a Dortmund shirt 1:19 Now Playing Paused Ad Playing Joey Veerman's first interview as Dortmund player 1:03 Now Playing Paused Ad Playing Justin Lerma impresses with the city and Borussia Dortmund 0:53 Now Playing Paused Ad Playing Joey Veerman joins Borussia Dortmund 1:08 Now Playing Paused Ad Playing Adeyemi’s emotional farewell in Dortmund 1:11 Now Playing Paused Ad Playing Karetsas: 'Why I decided to join BVB' Borussia Dortmund Mon, Aug 3, 2026 Check out new signing Konstantinos Karetsas's first interview as a Borussia Dortmund player. Karetsas: 'Why I decided to join BVB' Check out new signing Konstantinos Karetsas’s first interview as a Borussia Dortmund player. 0:44 Now Playing Paused Ad Playing Behind the scenes: Karetsas' first day at Borussia Dortmund 1:30 Now Playing Paused Ad Playing Karetsas' first training session as Dortmund player 1:22 Now Playing Paused Ad Playing Karetsas scores debut goal for Dortmund 0:32 Now Playing Paused Ad Playing Kovac on Karetsas: 'We don't see him as a player right now, but as a person' 0:37 Now Playing Paused Ad Playing Karetsas inspired by incredible atmosphere after Hamburg win 0:35 Now Playing Paused Ad Playing Konstantelias' first training in a Dortmund shirt 1:19 Now Playing Paused Ad Playing Joey Veerman's first interview as Dortmund player 1:03 Now Playing Paused Ad Playing Justin Lerma impresses with the city and Borussia Dortmund 0:53 Now Playing Paused Ad Playing Joey Veerman joins Borussia Dortmund 1:08 Now Playing Paused Ad Playing Adeyemi’s emotional farewell in Dortmund 1:11 Now Playing Paused Ad Playing