[1] Rieker spent thirteen seasons as a minor league umpire.
Rieker umpired 1,001 regular season major league games in his 10-year career.
[3] Rieker was behind the plate when Mark McGwire hit his record-setting 69th and 70th home runs on September 27, 1998.
[4] Since 2001, Rieker moved up to a supervisory role at Major League Baseball and in 2011 was named Director of Umpire Development.
This biographical article relating to an American baseball umpire is a stub.