此頁 Source List of Major League Baseball retired numbers Number 42 retired eight players Source retired retired number Wikipedia retired number first Giants player so honored Number 42 Source number List of Major League Baseball retired numbers wikipedia.org baseball Wikipedia number retired retired number baseball baseball Number 42 baseball Number 42 this list of MLB-retired numbers List of Major League Baseball retired numbers Source Source N0. 42 jersey has been retired by every MLB team retired number retired baseball Wikipedia retired number retired retired baseball retired number Wikipedia http://en.wikipedia.org/wiki/List_of...etired_numbers this list of MLB-retired numbers baseball Source number N0. 42 jersey has been retired by every MLB team retired en:List of Major League Baseball retired numbers number Wikipedia Wikipedia retired baseball baseball