bush-leaguer
n 1. (in baseball) someone who plays in a minor league
2. someone second-rate or ineffectual
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014