Overview
- West Ham announced the permanent signing on a four-and-a-half-year contract with an option for a further year, with the fee undisclosed but widely reported at about €29m.
- The club said Castellanos was identified as a key target by head coach Nuno Espírito Santo.
- Castellanos was registered in time to be available for Tuesday’s Premier League match against Nottingham Forest at London Stadium.
- He is West Ham’s second January addition after Brazilian striker Pablo Felipe from Gil Vicente as the 18th-placed Hammers seek immediate attacking help four points from safety.
- The 27-year-old departs Lazio after 98 appearances with 22 goals and 16 assists and said he will give everything for the fans.