Liverpool manager Jurgen Klopp insisted Takumi Minamino can have a big impact after scoring his first goal for the Premier League champions in the Community Shield.
FA Cup holders Arsenal upstaged Liverpool 5-4 on penalties following Saturday's 1-1 draw in the new season's curtain-raiser at Wembley.
Minamino's first Liverpool goal cancelled out Pierre-Emerick Aubameyang's 12th-minute opener in London, where a shoot-out was needed behind closed doors.
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Japanese attacker Minamino joined Liverpool from Salzburg in January, however, he found opportunities limited as the Reds secured their first league crown in 30 years.