Julen Lopetegui looks set to prioritise the signing of a new striker at West Ham United this summer. A lack of goals upfront was a huge problem for David Moyes last season as Michail Antonio managed just six in the Premier League. Danny Ings also ended the campaign with one goal to his name and despite another prolific season for Jarrod Bowen, a new striker feels like a must for West Ham. A host of names have been linked with a move to the London Stadium, including Lille’s Jonathan David, Bayer Leverkusen’s Adam Hlozek and Brentford star Ivan Toney. Bringing in a new striker is usually an expe…