The Betway Cup is a pre-season friendly competition hosted by Premier League club West Ham United.

Prior to Betway's sponsorship of West Ham United, the club hosted the Out Performance Display Cup, sponsored by the Essex-based signage company of the same name[1] at Southend United, beating Dutch club 1–0 Vitesse on 9 August 2002.

[2] In August 2003, West Ham played PSV Eindhoven at the Boleyn Ground in the second edition, losing 1–2.

[5] In 2014, Marathonbet sponsored West Ham's annual pre-season home cup game, a 3–2 win against Sampdoria, before Betway's sponsorship of the club.

[8] Juventus striker Simone Zaza scored the winner for the Italian club and signed for West Ham on loan later in August.