Rubber
Revision as of 13:18, 18 June 2007 by Kdanneberger (talk | contribs)
1. The pitcher's plate in baseball, located on top of the pitcher's mound.
The picture shows a pitcher's plate rubber being positioned.
Source: http://www.ics.uci.edu/~eppstein/pix/ivy/tigers/PitchersPlate.html