Lacazette began his senior career with hometown club Lyon in 2010, at age 19. Initially a wide forward, he was converted into a striker, and finished as Ligue 1 top goalscorer and won Ligue 1 Player of the Year in the 2014–15 season. In 2017, Lacazette was the subject of a then-club record association football transfer when he signed for Arsenal in a transfer worth up to £47.5 million (€53 million). In England, he won an FA Cup.