In at age 20, Frank Robinson, the club's first black superstar, had the best rookie season in NL history, hitting 38 home runs, scoring a league-leading 122 runs, and compiling an OPS of .936. In , Cincinnati unveiled another star African-American player, rookie outfielder Vada Pinson, who would enjoy a long MLB career and, with Robinson, help lead the 1961 Reds to the National League pennant. Paul also signed a working agreement with the Havana Sugar Kings of the Triple-A International League, giving the team access to top Cuban talent such as shortstop Leo Cárdenas and future "Big Red Machine" icon Tony Pérez. In addition, the Reds produced Cuban stars such as outfielder Tony González, second baseman Cookie Rojas, and pitcher Mike Cuellar—among many others—who made their mark with other MLB clubs.