Racing PositionsRatings: Marquinhos 9/10 as Arsenal open Europa League campaign with victory3YHarry KettleArsenal sign Marquinhos from Sao Paulo3YESPNSources: Arsenal set to sign striker Marquinhos3YJames OlleySpain refs back Valverde red as 'serious foul play'37mAlex KirklandMan Utd expect new stadium open within 6 years1hRob DawsonArsenal vs Chelsea LIVE: Latest updates from UWCL quarterfinal21mShubi ArunSalah to leave Liverpool at end of the season18mESPN News ServicesGattuso calls 'more than my mother,' Calafiori says1hESPN News ServicesLukaku to miss Belgium games with U.S., Mexico1hESPN News ServicesCarsley: Don't rush Dowman's England progress2hPA