<Tr> <Td> 1948 </Td> <Td> Boudreau, Lou Lou Boudreau </Td> <Td> Cleveland Indians * </Td> <Td> SS </Td> <Td> Musial, Stan Stan Musial (3) </Td> <Td> St. Louis Cardinals </Td> <Td> OF </Td> <Td> </Td> </Tr> <Tr> <Td> 1949 </Td> <Td> Williams, Ted Ted Williams (2) </Td> <Td> Boston Red Sox </Td> <Td> OF </Td> <Td> Robinson, Jackie Jackie Robinson </Td> <Td> Los Angeles Dodgers! Brooklyn Dodgers * </Td> <Td> 2B </Td> <Td> </Td> </Tr> <Tr> <Td> 1950 </Td> <Td> Rizzuto, Phil Phil Rizzuto </Td> <Td> New York Yankees * </Td> <Td> SS </Td> <Td> Konstanty, Jim Jim Konstanty </Td> <Td> Philadelphia Phillies * </Td> <Td> RHP </Td> <Td> </Td> </Tr> <Tr> <Td> 1951 </Td> <Td> Berra, Yogi Yogi Berra </Td> <Td> New York Yankees * </Td> <Td> </Td> <Td> Campanella, Roy Roy Campanella </Td> <Td> Los Angeles Dodgers! Brooklyn Dodgers </Td> <Td> </Td> <Td> </Td> </Tr>

Who is the only cubs pitcher that won back to back mvp award