Wellington Skyrocket senior Mason Folk (2) scored three TDs on 18 carries, picking up 77 yards in the Class 2A Division II regional semifinal Friday at Borger’s Bulldog Stadium. No. 3-ranked, undefeated Wellington put away Vega 40-20, despite the Skyrockets’ starting QB Creighton Killian suffering an injury in the second quarter that took him out of the game. His cousin, sophomore Barret Phillips…