(1:27)Open Extended ReactionsArsenal have Eintracht Frankfurt striker Hugo Ekitike in their sights, while Manchester United are prepared to open formal talks over a deal to sign Aston Villa goalkeeper Emiliano Martínez. Alex Grimm/Getty ImagesTRENDING RUMORS- Arsenal are set to enter the race to sign Eintracht Frankfurt striker Hugo Ekitike, says Bild. - Manchester United are prepared to open formal talks over a deal to sign Aston Villa goalkeeper Emiliano Martínez when André Onana departs, according to Football Insider. CONFIRMED TRANSFERS- PSV Eindhoven have confirmed they will not trigger the €10m option to sign Manchester United left-back Tyrell Malacia permanently after his loan expired. (Nicolo Schira)- Birmingham City have joined the race to sign Nottingham Forest midfielder Lewis O'Brien.