"You couldn't be prouder that they performed as a team and everyone showed that he's ready to help", said the Spaniard, who has brought to the star-studded Belgian set-up the kind of man management ideas he used to get the best out of more modest resources at Everton and Wigan Athletic in the Premier League.
Gomez didn't bother keeping his lineup a secret for the match in Sochi, naming the 11 starters without hesitating when asked about it.
There was a sense of relief for Panama when the last whistle blew at Fisht Stadium in Sochi on Monday.
Sweden-South Korea was full of starts and stops due to the game being filled with 43 fouls.
After Mexico's victory against Germany on Sunday, the second match in Group F, between Sweden and South Korea, suddenly felt a lot more significant, with the loser nearly certain to go home, barring an unlikely win against Germany.
South Korea reached the semifinals at home in 2002 and the last 16 in 2010.
The Koreans will be captained by former Swansea City midfielder Ki Sung-yueng, while Spurs striker Son Heung-min is one of their main players.
England has not won a World Cup match since 2010, which is not at all a drought compared to opponent Tunisia, which last won on this stage in 1978. The weakness of the group has increased pressure on England to make it to the knockout stage, which it failed to do in 2014 against opponents Italy, Uruguay and eventual group victor Costa Rica.
"We are in form".
The Central American team has trouble scoring and his players will need to have a good day to have any chance against Belgium on Monday, he said. It's remarkable that of the 13 European teams to have played so far in Russian Federation 2018, only one (Germany!) has lost.
Gareth Southgate's team will be eager to start with a bang after world champions Germany slipped up in their opening match against Mexico and favourites Brazil were held by Switzerland.
"I was very happy with the commitment of every single player", he said.