After Derby beat West Ham on Monday afternoon, United have been relegated.
DJ Buffonge made and scored a goal as Man Utd's under-23s came from behind in a friendly at Bradford City's training ground.
With a friendly each and a week of training in the beautiful settings of the Austrian mountains, Manchester United's under-18s and under-23s sides enjoyed a successful pre-season training camp.
Goals from Gribbin and Scott earned United a friendly draw at Moor Lane against National League opposition.
The Scotsman previously managed the U21s from 2002-2005.