obviously there are so many factors and also many clues
one fairly direct clue is the existence of nick ansel in the tondela squad. this season, he's completed 90 minutes 6 times and is often not in the match squad https://www.transfermarkt.com/nick-ansell/leistung...
whereas he was regular at victory and was highly regarded
just one clue, there will be many more, and i have no idea of circumstance