(Reuters) -Everton have sacked manager Frank Lampard, British media reported on Monday, after a poor run of form that has left the Premier League club in a relegation battle. Lampard’s last game in charge was Saturday’s 2-0 defeat at West Ham United, which kept them second-bottom of the table on 15 points after 20 games, two points below the safety zone. The Merseyside team had been struggling under the former England international, having last won a league game in October when they beat Crystal Palace 3-0 at home. Lampard was appointed by Everton in January 2022 after he managed Chelsea from …