The Argentina superstar's 61st-minute strike in Eindhoven was his 106th goal in Europe's top competition, one more than long-time LaLiga rival Ronaldo managed for Real Madrid before his switch to Juventus.
"We have achieved our objective of finishing top of a hard group", he said.
"We had problems in the first 20 minutes", admitted Valverde.
Their quest for a clean sheet was left hanging after Luuk de Jong struck a consolation for the Dutch outfit in the 80th minute range. "PSV began to believe they had a chance and play long balls, but in the end we got the result we came here for".More news: Catastrophic Northern California fire is finally contained
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Speaking at his press conference on Tuesday, Van Bommel said he is focused on getting a win against Barcelona and not on the weekend's league tie against Feyenoord, "We never look beyond the next game and only focus on the match at home to FC Barcelona".
The Argentinian, who bagged a hat-trick in the corresponding fixture at the Nou Camp in September, then provided the assist for Pique to instinctively divert into the net.
He said: "I am delighted, I have just found out now". Barcelona can win the group with a win and if Inter Milan drops points.
"He's a player you nearly can't stop", said PSV coach Mark van Bommel. That says enough about the performance of the boys.
Defensive midfielder Busquets was lucky not to earn a booking for a cynical foul on Hirving Lozano, while Gaston Pereiro hit the post for the hosts after Rakitic gave the ball away. It is only once again the confirmation that we can very well keep up with these teams'.