Transfers move at a strange pace sometimes. Long sagas can explode into life in an instant, and that’s what appears to have happened on Saturday morning with Arsenal and Riccardo Calafiori. The Italian defender has been linked with a move to the Emirates for the best part of a month now. Personal terms were said to be agreed between Calafiori and Arsenal two weeks ago, but, since then, things had gone rather quiet. However, on Saturday morning it was reported that there had been a breakthrough in talks between Bologna and Arsenal, and now, things seem to be hurtling towards a conclusion. Accor…