Career
Steinmann is a youth exponent from Hamburger SV. He made his Bundesliga debut at 20 September 2014 against Bayern Munich. He replaced Nicolai Müller after 87 minutes in a 0-0 home draw.
Steinmann is a youth exponent from Hamburger SV. He made his Bundesliga debut at 20 September 2014 against Bayern Munich. He replaced Nicolai Müller after 87 minutes in a 0-0 home draw.