Southampton captain James Ward-Prowse says "slipping standards" at the club have brought about Saints' relegation from the Premier League.
Saturday's 2-0 home defeat by Fulham ended Saints' 11-year stay in the top flight with two games still to play.
The loss was their 24th this term - the most in a season in the club's history.
"From the first day of pre-season until right now you can tell the standards at the club have slipped," Ward-Prowse, 28, told BBC Sport.
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"We need to go away individually and as a club and assess if we've done everything we possibly could.