By Andrew Gould Michael Sam will return to the gridiron for his first coaching job. The former Missouri pass-rushing standout, who became the NFL’s first openly gay player when drafted by the Rams in 2014, is going overseas to the European Football League. As relayed by Dave Matter of the St. Louis Post-Dispatch, the Barcelona Dragons hired Sam as a defensive line coach. “I hope to contribute however I can to help the defensive line to be the pass rushers in the European league,” Sam said, per the team’s official statement. Sam earned All-American and SEC Defensive Player of the Year honors by…