Arsenal goalkeeper Aaron Ramsdale will be sidelined for a few weeks after sustaining a hip injury during the midweek loss to Liverpool, manager Mikel Arteta said on Saturday. Ramsdale, who joined Arsenal in August for an initial fee of 24 million pounds ($31.63 million), had started every Premier League game for the London club since he broke into the starting lineup and benched Bernd Leno. Ramsdale had also been called up for England’s friendlies later this month against Switzerland and Ivory Coast. He made his England debut in November in a 10-0 win over San Marino. “He’s got an injury, a mu…