Bockhorn started playing football from TSV Melsdorf and FC Kilia Kiel before joining Werder Bremen's youth where he played for the U17 and U19 teams.[4]
In July 2019, Bockhorn moved to English club Huddersfield Town, reuniting him with manager Jan Siewert, who had coached Bockhorn during his time with Borussia Dortmund's reserves.[11][12] On 13 August 2019, Bockhorn made his debut for Huddersfield Town, in the first round of the EFL Cup against Lincoln City. However, on 16 August, Siewert was sacked; Bockhorn's services fell out of favour under new manager Danny Cowley, and he departed the club at the end of the season, without making a league appearance.
VfL Bochum
In July 2020 Bockhorn signed a one-year contract with VfL Bochum.[13]
Bockhorn was born to a Ugandan mother, Jean Marion Nansubuga, and a German father, Hartwig Bockhorn. Later the family moved to Germany, where Bockhorn started his career as a footballer at TSV Melsdorf.[4][16]