Question: Of Thee I Sing: A Letter to My Daughters is a children's book by former United States President Barack Obama, the stories of thirteen Americans are told in the book, including Jackie Robinson, who was an American professional baseball second baseman who became the first African American, to play in which organization?
Sentence (from "Dee Gordon"): He led the NL in all three categories and became the first NL player to lead the league in both batting average and stolen bases since fellow second baseman Jackie Robinson in 1949.
Relevant evidence: No