Manchester United are locked in talks with Serie A side Lazio over a deal to sign Sergej Milinkovic-Savic as they prepare for the possible exit of Paul Pogba this summer, according to Marca via the Metro. The Red Devils boss Ole Gunnar Solskjaer recently completed the record signing of Harry Maguire in a £80m transfer from Leicester City, following Daniel James and Aaron Wan-Bissaka in making a move to Old Trafford this summer. United, however, are now focusing efforts up…