West Ham United will reportedly look to sign 27-year-old Argentine striker Valentin Castellanos from Serie A club Lazio in the winter transfer window.

According to a report by Italian outlet Il Messaggero, Valentin Castellanos is the subject of interest from West Ham United. The Hammers are eager to bolster their offensive unit by signing a striker in the winter transfer window. So, the 27-year-old Lazio centre-forward has emerged as a target for the East London outfit.

The Serie A giants are open to cashing in on the South American attacker for a bid worth around €25-30 million in the winter transfer window. Meanwhile, West Ham will launch an offer to sign Castellanos from Lazio, and a January deal may be on the cards.

How has Valentin Castellanos fared at Lazio?

Valentin Castellanos has endured a topsy-turvy ride since joining Lazio from New York City FC in July 2023. A native of Mendoza, the 27-year-old spent his formative years in South America and graduated from the youth division at Club Universidad de Chile. Since then, the Argentine international has endured a topsy-turvy ride in his career before landing on his feet at SS Lazio.

A hamstring injury has hampered Castellanos in the 2025/26 season, as he has managed only 518 minutes of game time in eight Serie A appearances while chipping in with two goals and three assists. However, the player’s future at the Serie A club is uncertain, with Maurizio Sarri ready to sanction his sale. Meanwhile, he has been a target for Premier League clubs, including West Ham United, since the summer.

London calling?

West Ham United’s interest in Valentin Castellanos is understandable. The Hammers are scouring the market for a striker heading into the winter transfer window, as Niclas Fullkrug faces an uncertain future at the London Stadium. The veteran German striker may end his troubled stint with West Ham United in the coming weeks, and the East London outfit must sign a replacement.

Additionally, Callum Wilson is approaching the twilight of his career. So, Castellanos is an option worth considering for West Ham, with the East London outfit ready to launch a bid to sign the South American attacker in the winter transfer window.

Meanwhile, Lazio will not charge a bomb to part ways with the 27-year-old Argentine international, having slapped a price tag of €25-30 million on him. It will be interesting to see if West Ham will meet the Serie A club’s valuation when they launch a bid for his signature in January.