Tony Pulis insisted there were positives to take from Stoke City's loss to Manchester United but was left frustrated by some poor defending.
The Potters dominated the early stages and took the lead thanks to Wayne Rooney's own goal, before Rooney netted at the right end to equalise for United.
Goals either side of half-time from Robin van Persie and Danny Welbeck put the Red Devils firmly in control, and Rooney struck again shortly after Michael Kightly had given Stoke hope of a comeback.
Pulis was disappointed with the lapses in concentration from his players, despite praising their creativity.
"For them to score two minutes before half-time and then two minutes after half-time just took the sting out of the game," he told Sky Sports.
"Then when we got the next goal to get back into the game, they got their fourth goal just a few minutes later.
"You can't switch off against the top teams and that's what we have done today.
"It is really disappointing in respect to the way we defended a few of the goals, but there were loads of positives because we've come here and created loads of chances."