The 23-year-old played two seasons at the University of Maryland and joined Germany's Freiburg in December 2014. He never got into a first-team match, signed with the Crew in July 2016 and was on loan to third-tier Pittsburgh for the rest of the season. He made his Crew debut in 2017 and was voted Major League Soccer's top goalkeeper this season.
Steffen made his U.S. national team debut in January and had six appearances this year.
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