Frazier went 6-for-6 with three singles, two doubles and a triple in the Bulldogs' 11-6 win over Virginia in the NCAA Super Regional. His six hits tied an NCAA record for hits in a tournament game.
The Pirates also inked 37th-rounder Andrew Dennis, a catcher from Wallace State CC (Ala.). Both will report to Class A Jamestown.
Steven Petrella is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.