The guests performances compared to the expected performances from the riders they replaced seems to have be the main difference here. (Thompson / Sedgeman excluded).
Yes he did well for Redcar until he hurt his wrist near the end of his last season with the club, then he would declare himself fit for Peterborough's title chasing team but injured for Redcar meetings.
Well I suppose it was as well when he admitted doctoring the track for the televised Kings Lynn meeting. Polished the surface he said. Oh well, sometimes karma gets ya! 😂