Throughout NC State’s postseason run to the College World Series this spring, right-handed pitcher Sam Highfill left it all he had on the mound. He impressed throughout his collegiate career with the Pack, but his last three outings helped position NC State for success on the game’s biggest stage. Now, after he logged three starts of six innings or more in the postseason, including a seven-frame, seven-strikeout effort against Kentucky in Omaha, Highfill will begin his professional career. Highfill agreed to sign with the Philadelphia Phillies as an undrafted free agent this week, per a source…