Arsenal boss Mikel Arteta said the pain of back‑to‑back cup defeats must be used as motivation as his team turn their focus to the first leg of their Champions League quarter‑final against Sporting on Tuesday.
The London club arrived in Lisbon on the heels of their first back-to-back losses this season, a 2-0 defeat by Manchester City in the League Cup final and a 2-1 upset by Championship side Southampton
