Director of rugby Dean Richards admitted Newcastle were "dreadful" in the opening 28 minutes against Northampton.
Conor O'Shea offered an impassioned defence of Chris Robshaw after he scored a try as Harlequins beat Wasps.
Richard Cockerill admitted "we got what we deserved" after Leicester suffered a 45-0 Aviva Premiership defeat at Bath.
Brian Smith was proud of London Irish's performance after their last-gasp defeat to Saracens in the Aviva Premiership.
A last-minute try by Billy Vunipola saw Saracens beat London Irish 36-32 in the Aviva Premiership.
George Ford inspired a Bath romp at the Recreation Ground as hapless Leicester were ruthlessly battered 45-0.
Steve Diamond acknowledged there was plenty of room for improvement after Sale beat London Welsh on Saturday.
Exeter Chiefs emerged with a hard-fought 25-22 win at Gloucester to move top of the Aviva Premiership table.
Northampton aim to return to winning ways when they travel to Kingston Park to face Newcastle on Sunday.
Saturday’s Premiership action sees two London derbies, a battle of fly-halves, while London Welsh and Sale lock horns.