A Diafra Sakho double and a second-half effort from captain James Tomkins gave West Ham a 3-0 UEFA Europa League triumph over Lusitans.
Diafra Sakho scored twice as West Ham eased to a 3-0 first-leg UEFA Europa League win over minnows Lusitans.
The Andorran side managed to frustrate its Premier League opponents until the 40th minute, when the previously profligate Sakho opened the scoring.
The Senegal international doubled his tally before the break and West Ham captain James Tomkins ensured the Londoners began their final season at Upton Park with the anticipated victory.
New West Ham manager Slaven Bilic was introduced to a sell-out crowd before kickoff, but academy boss Terry Westley took charge of a team blending youth and experience on the night - including Reece Oxford, who became the club's youngest-ever player.