Salvador Perez homered and finished with four RBIs Saturday afternoon for the visiting Kansas City Royals, who beat the New York Mets 11-7 in the middle game of a three-game interleague series.Bobby Witt Jr. finished 2-for-5 with four runs scored for the Royals, who have won eight of nine. Nick Loftin was 2-for-3 with three RBIs while Hunter Renfroe had two hits and two RBIs.Nelson Velazquez had two hits and an RBI, Garrett Hampson added two hits and two stolen bases while Freddy Fermin had a run-scoring single.Alec Marsh (2-0) allowed four runs on five hits and one walk while striking out two over five innings.Pete Alonso went 3-for-3 with two homers and three RBIs for the Mets, who lost for just the third time in their past nine games.Starling Marte was 3-for-5 with a homer while Brett Baty hit into a run-scoring fielder’s choice, DJ Stewart laced an RBI double and Tyrone Taylor lofted a sacrifice fly. Joey Wendle added two hits.Sean Manaea (1-1) gave up eight runs (six earned) on nine hits and three walks while striking out four over 3 2/3 innings.There were two lead changes and one tie before the Royals took control by scoring four times in the fourth.Velazquez had an RBI single in the top of the first before Alonso (single), Baty (fielder’s choice) and Stewart (two-run double) gave the Mets a 3-1 lead against Marsh in the bottom half.