Julen Lopetegui leaves Anfield on crutches after injuring his calf in frustration during West Ham's dismal 5-1 defeat against Liverpool in the Carabao Cup

West Ham manager Julen Lopetegui was left needing crutches after injuring his calf while letting off steam in the Anfield dugout during West Ham's 5-1 Carabao Cup thrashing against Liverpool.