Arsenal dispatched Slavia Prague 3-0 in the Champions League on Tuesday, securing a fourth straight win to open the first stage and tying the English club’s record for successive clean sheets stretching back 122 years.

Bukayo Saka converted a penalty in the 32nd minute and Mikel Merino scored twice in the second half for Arsenal, whose brilliant start to the season also sees Mikel Arteta’s team atop the Premier League by six points.

Arsenal’s miserly defense is the foundation for its run of victories in the Champions League. The Gunners have yet to concede a goal and also have eight straight shutouts in all competitions — matching their best-ever streak recorded in 1903 in the second tier of English soccer.

Max Dowman, aged 15 years and 308 days, entered as a second-half substitute to

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