By Jude Summerfield Atletico Madrid have confirmed the signing of Conor Gallagher from Chelsea on a five-year contract for a reported fee of £34m. The England midfielder’s move to Metropolitano Stadium was thrown into doubt earlier this month when complications over an adjacent transfer for Samu Omorodion hampered the deal, but the issues were soon resolved. Blues head coach Enzo Maresca had previously confirmed Gallagher was training away from the first-team squad at Cobham as the switch neared completion. The 24-year-old has become Atleti’s latest signing in a busy summer transfer window for…