LONDON—After all those doubts about his future at Manchester United, Ole Gunnar Solskjær achieved what Pep Guardiola and Jürgen Klopp couldn’t do on Saturday: Win in the Premier League. It just needed United to face a Tottenham side devoid of any attacking ingenuity that allowed Cristiano Ronaldo and Edinson Cavani—with a combined age of 70—to both score before Marcus Rashford netted. After collecting one point from four games, the 3–0 win in north London will give Solskjær some breathing space even though United is still eight points from first place. Rather than Solskjær feeling the heat—United fans were back singing “Ole’s at the wheel”—the Tottenham supporters were booing their team and chanting at manager Nuno Espirito Santo: “You don’t know what you’re doing.” Chelsea was able to extend its lead at the Premier League summit to three points with a 3–0 win at Newcastle. Klopp’s second-place Liverpool threw away a …