Celtic are in the transfer window end game, with Brendan Rodgers now keen to secure one or two arrivals before the deadline tonight. Nicolas Kuhn arrived from Rapid Vienna last month for a fee in the region of £3 million and made his debut for the Hoops against Ross County last weekend in a 1-0 victory. In truth, the narrow victory against the Staggies was a wake-up call because Brendan Rodgers’ men were nowhere near their free-flowing best. By the same token, there weren’t many game-changing options on the substitute bench as the Bhoys failed to put proceedings beyond doubt. With the deadline…