What is marcus semien nationality?

Marcus Semien is an American baseball player who was born on September 17, 1990, in San Francisco, California, United States. He is of African-American ethnicity and holds American nationality. Semien attended the University of California, Berkeley, where he played college baseball for the California Golden Bears. After his college career, he was drafted by the Chicago White Sox in the 6th round of the 2011 MLB draft. Semien has played for various teams in Major League Baseball, including the Chicago White Sox, Oakland Athletics, and the Toronto Blue Jays. He is known for his versatile defensive play and consistent hitting.