I have had this before with one of my scouts with low performances, left him out for 2 days and then put him back in the team and started to give 8s and 9s.
I have actually used him sparsely, Cup game against lower opps, training etc...
All without response and He just LOVES to give me 5
Season 14 - Level 14
League Champions: Season 3/4/7/8/10/11
Cup Winners: Season 3/4/6/9/10
Champions League Winners: Season 2/4/6