Bukayo Saka scored one goal and set up another as Arsenal thrashed Portuguese side Sporting 5-1 in their Champions League clash at the Estadio Jose Alvalade on Tuesday, their biggest away win in the competition in 21 years.

Gabriel Martinelli put Arsenal ahead early on before Kai Havertz and Brazilian defender Gabriel added two more goals before halftime as Arsenal overwhelmed their hosts.

Goncalo Inacio pulled a goal back for Sporting early in the second period, but Saka restored Arsenal's three-goal advantage with a penalty and Leandro Trossard got a fifth for their biggest away win in the Champions League since victory by the same scoreline at Inter Milan in 2003.

Arsenal moved above Sporting to seventh place in the 36-team table with 10 points from their five games. The Portuguese side have the same number of points but are one position back on goal-difference.