Champions League winners Paris St Germain crushed fellow European heavyweights Atletico Madrid 4-0 at the Rose Bowl in Pasadena on Sunday to get their Club World Cup campaign off to a winning start.

PSG landed the first blow in the Group B clash when Fabian Ruiz fired home from distance in the 19th minute as they showed no signs of rust in their first match since trouncing Inter Milan 5-0 to win their first Champions League title last month.

PSG doubled their advantage just before halftime when an Antoine Griezmann miss led to a counter-attack that ended with Vitinha firing home under sunny skies in Southern California.

The LaLiga side appeared to have pulled one back when Julian Alvarez found the net in the 57th minute but it was overturned after a VAR review determined Koke had fouled Desire Doue in the leadup to the strike, with Atletico coach Diego Simeone sarcastically applauding the decision from the sideline.

The Spanish side’s nightmare continued when defender Clement Lenglet was sent off after receiving a second yellow card and Alexander Sorloth inexplicably missed what should have been a tap-in, instead sending it over the bar.

Substitute Senny Mayulu added a third goal for PSG in the 87th minute to end any hopes of an Atletico comeback, while Lee Kang-in fired home a stoppage-time penalty to round off the scoring.

PSG will be back at the Rose Bowl on Thursday to face Brazilian team Botafogo while Atletico will travel north to Seattle to take on MLS side the Seattle Sounders.

“The hardest thing to do in football is to maintain the level, not just going high and low,” Vitinha, who was named man of the match, said.

“That’s what I tried to do. Very good performance by the team and a very good start to this competition.”

PSG were without Frenchman and Ballon d’Or favourite Ousmane Dembele, who suffered an injury while playing for France in the UEFA Nations League earlier this month, but they hardly needed him on Sunday.

They had 74% possession and 11 shots on target compared to Atletico Madrid’s one.

The historic Rose Bowl in Pasadena was rocking thanks to the 80,000 fans who turned out amid the hot midday sun one year before the U.S. will co-host the World Cup along with Mexico and Canada.

“It was a different environment but it feels good to see so many people in the USA here to watch soccer, or to watch football, as I say,” Vitinha added.

Bayern Munich shows might, topples Auckland City 10-0

Michael Olise scored two goals with two assists, all in the first half, and Germany’s Bayern Munich was off and running toward a 10-0 victory over New Zealand’s Auckland City in a Group C opener of the FIFA Club World Cup at Cincinnati.

Kinglesly Coman also scored a pair of first-half goals for Bayern Munich, including the opening goal of the tournament in the sixth minute, after Saturday’s game between Egypt’s Al Ahly and Inter Miami FC ended in a scoreless draw.

Olise scored goals in the 20th minute and the third minute of first-half stoppage time. His early assists came on Coman’s second goal, for a 4-0 lead in the 22nd minute and his second came on a score from veteran Thomas Muller for a 5-0 lead in the 45th minute.

Bayern Munich further distanced itself in the second half, with midfielder Jamal Musiala scoring three goals in a 16-minute stretch. Muller capped the scoring with a goal in the 89th minute and also had an assist on Musiala’s first goal in the 68th minute.

The champions of the just-completed Bundesliga in Germany, Bayern Munich had possession for 71 percent of the match and had 17 shots on target to just one for Auckland City. Bayern Munich goalkeeper Manuel Neuer made one save.

Auckland City goalkeeper Conor Tracey made seven saves.

Bayern Munich next faces Argentina’s Boca Juniors in Group C play at Miami on Friday. Auckland City is set to face Portugal’s SL Benifica at Orlando, also on Friday.