Martin Dubravka’s agent has hinted that the Newcastle United goalkeeper could leave this summer the 35-year-old isn’t playing regularly. The Slovakian international has filled in for Nick Pope in recent weeks with the Newcastle no. 1 out until March, though Dubravka has taken up the role expertly for the Magpies. The shot-stopper has erased any transfer questions Newcastle had over signing a goalkeeper this January, though Dubravka’s agent still thinks there’s a chance that the former Sparta Prague star could leave. Zika said on Dubravka’s future via I News: “I dare say that he will finish thi…