Celtic don’t often make transfer announcements after the deadline has already passed but the nature of the deal to land Luke McCowan meant it was a late night for the club on Friday. The 11pm cut-off came and went without word of McCowan’s move going through, only for Celtic to eventually reveal the signing 44 minutes later. BBC journalist Brian McLaughlin reported on Radio Scotland this afternoon that as of 9:30pm on Friday night the move wasn’t happening. However, another bid from Hibernian and McCowan’s desire to play for Celtic pushed things forward and allowed the Scottish champions to se…