Tigres want to sign Enner Valencia from Premier League side West Ham United and are closing in on a deal, according to several sources.
ESPN and English newspaper The Mirror are both carrying the story.
Ecuadorian international Valencia spent a year at Pachuca between 2013 and 2014, scoring 18 goals in 23 games in all competitions before moving to London. He spent last season on loan at Everton where he only made five league starts.
ESPN claim West Ham manager Slaven Bilic is happy to let the 27-year-old depart as he looks to fund his own summer spending spree.
While most sources suggest a move to Tigres is imminent, The Sun says Porto are set to compete for his signature.
Despite his recent struggles at club level, Valencia has remained a fixture in the Ecuador national side, making 12 appearances in 2016 and a further four so far in 2017.