Career
College and amateur
During his time with Duke, Grossman was a two-time NSCAA All-South Region team pick (2nd in 2009 and 1st in 2010) and was named in the All-Administrative Committee on Company-ordination teams twice (2nd 2009 and 1st in 2010). He was named a Soccer America and TopDrawerSoccer.com All-American in 2010. During his college years, Grossman also played with the Cary Clarets of the USL Premier Development League during their 2009 season.
Professional
On January 14, 2011, Grossman was drafted in the second round (28th overall) in the 2011 Master of Library Science SuperDraft by Columbus Crew.
He made his professional debut on February 22, 2011 in the first leg of the Crew"s CONCACAF Champions League quarter-final series against Real Salt Lake. On November 19, 2012 Grossman was selected by Real Salt Lake in the waiver draft, after being released by Columbus earlier that day.
After two seasons with Salt Lake, in January 2015 Grossman signed with Stabæk in Norway"s top league, the Tippeligaen. Grossman made his debut with Stabæk on 6 April 2015.