Ronald Acuña Jr. (Atlanta Braves) 7” Posed Figure. After signing with the Braves as an international free agent in 2014, Acuña made his MLB debut in 2018 making him the youngest player in Major League Baseball. He won the National League (NL) Rookie of the Year Award that year. Since 2018, Acuña has made four MLB All-Star team appearances, won three Silver Slugger Awards, and twice led the league in stolen bases. During the 2023 season, he became the fifth MLB member of the 40–40 club, set a modern-era franchise record in stolen bases, and became the first MLB player to accomplish a 40–70 season. Acuña won the NL Most Valuable Player award in 2023.