Luiz Diaz paid tribute to his kidnapped father as he marked his last gasp equaliser against Luton Town with a message to his captive parent.
Diaz, 26, lifted the torso of his Liverpool shirt to reveal black lettering on his white undergarment, reading 'Para papa'.
Translated to English, it reveals a poignant message to still-missing Luis Manuel 'For Dad'.
Diaz's mental strength during his parent's ordeal has astonished many in the world of football.
He came off the bench in the second-half and placed himself perfectly to finish a counter-attack initially led by Ross Barkley and give Liverpool the share of the points.
After the matcher Reds keeper Becker Alisson said: 'It says a lot about Diaz's character, his inner strength. Not many people imagine what he's going through, we feel his pain but for him it's a different level.
Football sometimes in the bad moment can bring joy to someone who is struggling. Football is a slice of joy for Lucho in this time. We are with him 100 per cent.'
Earlier the head of the rebel group that kidnapped the parents of the football star conceded they made a 'mistake' by not freeing his father.
There are 150 uniformed military personnel in the area of Barrancas as authorities look to accelerate the release of Diaz's father, with peace talks with the ELN, branded a terrorist group by the US government, continuing.
'The retention of Luis Diaz's father by the Northern War Front was a mistake,' ELN commander Antonio Garcia wrote on his Telegram channel, according to AFP.
'Lucho is a symbol of Colombia - that is how we in the ELN feel about him,' Garcia added, using the nickname of the 26-year-old footballer, who returned to Liverpool training on Friday.
ELN, a left-wing rebel group, were identified on
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