John Calipari hasn’t offered an official resignation to Kentucky amid a potential contract violation, according to Kentucky Sports Radio. KSR’s Jack Pilgrim reported there was no official word from Kentucky or Arkansas after Calipari reportedly agreed to a five-year deal. What’s also telling is Kentucky was never informed. This would lead to a potential contract violation if he were to leave for Arkansas under these circumstances. “A very important detail to keep in mind as we quickly approach the 24-hour mark since John Calipari’s reported five-year agreement with Arkansas and no official wor…