In this scene Jackie Robinson is talking to Mr. Rickey asking to join the Brooklyn Dodgers. Mr. Rickey said "Yes you can play for the Brooklyn Dodgers. Welcome to the team Mr. Robinson".
Even though the other team players and almost every one in Brooklyn hated him. Although the players started liking him because they realized that people come to see the first black man to ever play so they make a lot of money and they wanted him to stay on the team so that they could make a lot of money.
But then one day every thing changed people started to not care about him being black. They started to cheer him on and that is how he made the history books and he is one of the most famous people in baseball history.