Defenders Piero Hincapie and Riccardo Calafiori will miss Arsenal’s trip to Chelsea for Wednesday’s League Cup semi-final first leg, while William Saliba and Leandro Trossard are doubtful, manager Mikel Arteta said. Arteta said he did not know how long Hincapie would be out after picking up an injury during last week’s goalless draw with Liverpool […]