Southampton manager Ralph Hasenhuttl:
"As everybody sees, we had a good first half and a not-so-good second half.
"The opponent showed how you can turn the table with a few lucky moments, and I think we had a chance to score the third goal, when we were a little bit unlucky with the Long header on to the post.
Lampard's side ran over 5km less than the visitors overall and generally lacked creativity and energy.
"We have found now that when teams make it difficult for us and do not give us space, we are finding it tough and so it clearly needs to improve," added Lampard.
Aston Villa manager Dean Smith calls on Grealish's teammates to score more goals:
"Whenever we concede a goal it feels like the end of the world at the moment," Smith said.
"The manner we conceded the goals is very poor.
"I can't divide myself from the team," said Pellegrini. "For West Ham it was an important three points.
"I said before the game that I felt every day the commitment of the players in the work that they do.
Newcastle boss Steve Bruce, speaking to Match of the Day: "In the first half we looked like we had played three games in six days. I felt we were flat and it was not really until we changed things at half-time and went higher up the pitch we caused them some problems.
Southampton manager Ralph Hasenhuttl told BBC Sport: "It is clear we used a lot of energy in the first 70 minutes, until 2-1 it was a good game from us. They thought something was possible for them and in the last 15 minutes we were a bit tired.
Watford manager Quique Sanchez Flores said he "suffers" for the fans, players and owner after defeat at fellow strugglers Southampton.
The Saints came from behind to win with late goals from Danny Ings and James Ward-Prowse, easing the pressure on their own boss Ralph Hasenhüttl and leaving the Hornets bottom of the Premier League.
Arsenal manager Unai Emery: "We will take one good result to give us the confidence and chance to improve. Today we lost that opportunity.
"I can understand how the supporters feel about the team and about me.