The Colorado Rockies used the 154th pick in the sixth round to select Hackman in the 1994 Major League Baseball draft .
Hackman said many of the players didn ' 't know he pitched in the Major Leagues until he showed them his baseball cards .
The Colorado Rockies used the 154th pick in the sixth round to select Hackman in the 1994 Major Leagues     draft .
Hackman said many of the players didn ' 't know he pitched in the Major Leagues until he showed them his baseball cards .