Answer by  
                                                                                          KLR (606)
                                                            
                          
                          
                                                          Elijah Jerry Pumpsie Green was the first black player to play for the Red Sox.  He has stated that one day he will write a book about how he got his nickname and will become a millionaire. His coach at Berkeley called him Pumpsie because he pumped his mitt with his fist.