The statement that best summarizes this excerpt is: When Rickey offers Robinson a job in the Major Leagues, Robinson is shocked.
In this excerpt from I Never Had It Made, Robinson expects Mr. Rickey to offer him a job in the Brooklyn Brown Dodgers; however, Rickey ends up offering him a job in the Major Leagues, which is something that exceeds Robinson's expectations. This offer makes Robinson feel scared, but also very excited. Moreover, Robinson is speechless, what makes the reader think that he is completely shocked.