Vega was born to David and Jahaira Vega. Her father was a gymnast when he was younger. Her younger brother, David Jr., plays baseball and football. Vega began gymnastics in 2000. Vega filed a lawsuit against the Karolyis, USA Gymnastics and USOC for the abuse she suffered by Larry Nassar, the former national team doctor. She joins well over 300 women and girls who were victims of Nassar's abuse.
Career
In 2009, Vega competed at the United States Junior National Championships in Dallas, Texas. She won gold on the floor exercise, bronze on balance beam, and finished fourth in the all-around. She competed at the 2009 Junior Pan American Championships in Aracaju, Brazil where she helped the United States team win the gold medal. She won silvers in the all-around and on uneven bars behind teammate Kyla Ross. In her first major meet as a senior, Vega placed third in the all-around at the 2011 CoverGirl Classic on July 23 in Chicago, IL. She captured second place on floor and finished fourth on vault. In August, Vega placed fifth all-around at the 2011 U.S. National Championships in St. Paul, Minnesota, with a two-night score of 112.05. Vega earned fourth place on floor exercise and fifth place on beam. Vega was named to the Worlds team along with Alicia Sacramone, Gabby Douglas, McKayla Maroney, Aly Raisman, and Jordyn Wieber. The team went on to win gold in the team final. Vega competed at the 2012 Olympic Trials. She finished 10th in the all-around and was not named to the team. Sabrina didn't train in 2013 but resumed training mid-2014 and attended the final U.S. training camp in November 2014. On July 25, 2015, Vega returned to Elite competition for the first time since 2012 after transferring to GAGE with Al Fong and Armine Barutyan-Fong and new teammates Brenna Dowell and Madison Desch. She competed on uneven bars, beam, and floor. She scored a 0 on bars because she did an exhibition only on the event. She had a sub-par beam routine with a 5.6 start value and sustained an overtime. She scored a 12.500 to finish 14th on the event. She had a fall on floor despite a good 5.7 difficulty and scored a 13.200, finishing 11th on floor. On October 3, 2015, Vega announced that she had retired from elite gymnastics and would be accepting a scholarship to the University of Georgia and would be competing in NCAA gymnastics for the Georgia Gym Dogs
