In the fall of 2003, the natural grass surface was removed and replaced with FieldTurf, and WSU became the first Division I program to install FieldTurf in its home  The only portion of the field that remained dirt was the pitcher's mound and home plate  The basepaths and the "skin" portion of the infield are FieldTurf, colored reddish brown, while the outfield is green  The home plate area was converted to FieldTurf in 2007, leaving only the pitcher's mound with dirt.
In autumn 2003, the natural grass surface was taken out and replaced with FieldTurf, and WSU became the first Division I program to install FieldTurf in its home stadium. The only part of the field that remained dirt was the pitcher's mound and home plate. The basepaths and the "skin" portion of the infield are FieldTurf, colored reddish-brown, while the outfield is green. The home plate area was converted to FieldTurf in 2007, leaving only the pitcher's mound with dirt.