West Ham United have made their ninth signing of the summer with the transfer of Lucas Perez.
"I'm very excited, as West Ham are giving me the chance to stay in the Premier League and I'm very happy to be part of this new project," he told the club's official website.
"West Ham have great fans and play in an amazing stadium, so to sign here brings me great joy. I'm very motivated."
Is this the real life?— West Ham United (@WestHamUtd) August 9, 2018
Is this just fantasy? pic.twitter.com/Wl0Ul9VifT
Perez joined Arsenal from Deportivo La Coruna in 2016 but only made 11 Premier League appearances for the Gunners, scoring one goal.
West Ham begin their 2018/19 PL campaign at Liverpool on Sunday, 12 August.