Kim Hellberg's David Strelec promise amid positive Middlesbrough injury updateMiddlesbrough boss Kim Hellberg also provided updates on Kaly Sene, George Edmundson and Alfie JonesMiddlesbrough's David Strelec celebrates at the final whistle (Image: PA)Kim Hellberg believes David Strelec has all the attributes to be a top striker, as the Slovakian returns to the Middlesbrough fold after injury. But back in training this week, he could return to the Boro squad this weekend for the visit of in-form Norwich City. On Strelec’s return and his belief in the Slovak, Hellberg said: “He’s back, he’s training. I think he has everything, and I think he’s done an absolutely brilliant week of working in training. Offering a further injury update, the Boro boss said: “He’s [Sene] not back training yet, but I think it’s just a matter of time now.