The United States starlet has officially joined the club and trained with the first team in his first day at BVB on Tuesday .
Christian Pulisic is finally a member of Borussia Dortmund .
The United States starlet has officially joined the club and trained with the first team in Christian Pulisic 's first day Borussia Dortmund BVB on Tuesday .
Christian Pulisic is finally a member of Borussia Dortmund .