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".
In the group's other match, substitute Christian Eriksen scored as Tottenham beat Inter Milan 1-0 at Wembley and those teams will fight for second place in the last round.
Klopp's men must now count on winning their last game against Napoli, who maintained their one-point advantage at the top of the group with a 3-1 win over Red Star Belgrade.
The home side's nimble first half finishing saw them home with goals from Juan Bernat and Neymar, while James Milner's 45th-minute effort could not disguise another poor away performance by Jurgen Klopp's side.
"It is our style of play that we take a lot of risks", said Barcelona coach Ernesto Valverde. "If we make mistakes in our midfield it is tough, but it is part of our risky style". Luuk de Jong's 83rd-minute header came too late.
Melania Trump promotes campaign with White House Christmas decorations
The East Room featured a celebration of American architecture, with wooden cityscapes from four cities - New York, Chicago, St. Trump produced a spectacular display of lights during the holiday season, only to receive nasty reviews from the legacy media.
Oprah's Mother Vernita Lee Has Died, Aged 83
Oprah had two half-siblings on her mother's side - Jeffrey, who died of AIDS in 1989, and Patricia , who passed away in 2003. The death was first revealed by Oprah's niece Alisha Hayes on Facebook , and confirmed by representatives for the star.
Wait, Are Kate Middleton and Meghan Markle Actually Feuding?
Speaking to the publication, a source revealed that Kate finds Meghan hard and that they're just "very different people ". The couple, who married in a chapel on the Windsor Castle grounds in May, is expecting their first child in the spring.
PSV coach Mark van Bommel - himself a Champions League victor with Barcelona in his playing days - started with his regular lineup that has won all 13 of its Dutch Eredivisie matches this season but failed to register a victory in the Champions League.
Barca struggled away from the Nou Camp in Europe last term, scoring just once in three group stage matches and surrendering a 4-1 lead against Roma on a awful night at the Stadio Olimpico to exit at the quarter-final stage.
Messi made sure Barcelona won anyway.