Diggy and J. Cole have had a bit of a tiff for the past couple months, after Diggy made a diss track toward Cole for alluding to bedding his older sister and for using his name in a rhyme in not the most positive way. Cole touched on it briefly in an interview and that was it until both were on the same bill at last night’s Summer Jam in San Fransisco. Allhiphop has details on what happened below. Marisa Mendez