Sierra Joy Romero (born March 19, 1994) is a Mexican American professional softball player. She formerly was a volunteer assistant softball coach for the Oregon Ducks softball team. She played college softball for Michigan from 2013 to 2016, where she set numerous records and was a four-time All-American. She holds the Big Ten Conference career Triple Crown, along with the total bases and slugging percentage records, simultaneously leading all of the NCAA Division I in runs scored and grand slams. She was the inaugural winner of both the espnW Softball Player of the Year in 2015 and the National Fastpitch Coaches Association Player of the Year in 2016, when she also took home the Honda Sports Award Softball Player of the Year and USA Softball Collegiate Player of the Year awards. She is on