Liverpool's No.9 became the first Brazilian to hit the half-century landmark in the division by scoring in his side's 3-0 win at Burnley last month.
And Firmino, who added to his tally by netting in the 2-1 victory over Chelsea at Stamford Bridge on Sunday, has been presented with a milestone accolade at Melwood to honour his achievement.
Watch the 27-year-old's first 50 Premier League goals for Liverpool again below...