Paco Alcácer signed a contract in November .
He added five goals coming off the bench in his next two matches , two late goals to seal a 4–2 victory at Bayer Leverkusen , and a hat-trick in a 4–3 defeat of Augsburg at the Westfalenstadion in which he won the game with a free kick in the last minute ; the club exercised their option to sign him permanently for €23 million on 1 February , and he signed a five-year contract .
Paco Alcácer