Williams was furious after his side slumped to a 2-0 defeat that left the Swans just five points above the relegation zone.
City mustered only one shot on target at the Riverside and they’ve now won just one of their past six games.
Williams, who took over in January after leaving Notts County, said his players needed to prove they were part of his long-term plans at the club.
He fumed: “It was just an atrocious game of football, an absolutely diabolical example of the Championship.
“It would have been nicer if we’d won – at least we could have then pretended to be happy about something, but goodness me...
This story is from the {{IssueName}} edition of {{MagazineName}}.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber ? Sign In
This story is from the {{IssueName}} edition of {{MagazineName}}.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber? Sign In
FUMING GRANT'S BLAST PAYS OFF
CHOICE words from Grant McCann at half-time did the trick as Doncaster Rovers came back to secure a point against classy Notts County.
BOSS MARTI'S ON A MISSION TO RESCUE R'S ALL OVER AGAIN
ARTI Cifuentes proved he was up for a challenge when he took the manager’s job at QPR just over a year ago.
HUSTLE FROM RUSSELL NETS DERBY SPOILS
HEAD coach Darrell Clarke praised goalscorer Jon Russell as his Barnsley side earned all three points in a home victory over South Yorkshire rivals Rotherham United.
DAVIES AGONY AS BLUES BLOW IT
ADEJECTED Chris Davies gave a bleak assessment of his Birmingham City side’s draw against Northampton Town.
WARNOCK: ONLY A GAME? IT'S LIFE OR DEATH IN SHEFFIELD!
JUST another game? Don’t pull that one on Neil Warnock, a Sheffield native, boyhood Blade and managerial veteran of nine Steel City derbies.
BISHOP AT THE HEART OF POMPEY WIN
COLBY Bishop’s spectacular return after heart surgery was a well-kept secret, said Portsmouth manager John Mousinho.
ACE VAKOUN CLEANS UP FOR THE HORNETS
VAKOUN Bayo took the plaudits once more after his goal sunk Oxford on Friday.
ANDI'S AT DOUBLE TO SPARK AWAY JOY
BLACKBURN Rovers boss John Eustace believes his team gave a text-book performance to get a first away win of the league season at Cardiff.
COV CATCH BLACK CATS NAPPING
SUNDERLAND head coach Regis le Bris was frustrated his players couldn’t build on two moments of first half magic that should have seen off managerless Coventry City at the Stadium of Light.
FARKE: WE HAVE THE WINNING MENTALITY TO STAY COURSE
Pressure mounts on Hoops manager
