Anyone who thought transfer season would start with a whimper hasn't been paying attention.
It's all-action and Celtic are front and centre of it with supporters frantically hitting the F5 button, as they await news on loan stars Jota and Cameron Carter-Vickers sealing permanent switches.
But Ange Postecoglou is unlikely to stop there as the Australian aims to bolster his squad ahead of a first Champions League foray in five years.