With Rocco Vata’s contract at Celtic still due to expire at the end of the season, his future at the Bhoys is far from certain. The Bhoys have rebuffed bids for him this season, indicating they are keen to tie him down to more years in Glasgow. However, the teenager has yet to officially put pen to paper on a new deal. Vata again attracted attention during this international break after a hat-trick for the Republic of Ireland U21s on Friday night. Now training full-time with the first-team squad at Lennoxtown, manager Brendan Rodgers has recently indicated talks have taken place on a new contr…