Wigan manager Roberto Martinez felt referee Jon Moss was wrong not to award his side a late penalty in the 1-0 defeat to Arsenal and accused Theo Walcott of going down easily for the spot-kick that led to the Gunners' winner.
The visitors emerged with all three points from an even match at the DW Stadium after Mikel Arteta stroked the ball home from 12 yards in the second half.
However, Martinez believes that Walcott was "very clever" when going down under pressure from Jean Beausejour to win the spot-kick and that his side should have had a penalty of their own when the ball struck Kieran Gibbs on the arm in the area late on.
"The (Arsenal) penalty was very, very soft, if anything, I think," he told Sky Sports. "Theo Walcott is very clever there. And then at the other end if you want to give a penalty where the hands are not in the natural position. I'm really disappointed because the players don't deserve the feeling that they've got now.
"We are in the middle of a period where calls are not going our way and we've got a few players missing. I thought we played really really well. We played with a great mentality. The players displayed a big team mentality and I couldn't be prouder."
Arsenal, though, could take encouragement from a third successive Premier League victory as they look to consign a difficult period to the past.
Arsene Wenger said: "It was very important because we beat West Brom at home and now we have two away wins (against Reading and Wigan).
"It was a difficult game because they stopped us from playing. I believe they are in the wrong position in the table."
Arteta added: "It's a big win for us, that's three in a row now. I am really happy with the points. It's been a tough game, the conditions were really difficult."
Arteta also had words of encouragement for Wigan. "I think they have been unlucky with the result because the way they play is quite offensive," he said.