Celtic are in the market for additions this summer and midfield has been identified as an area where reinforcements could occur before the deadline. In recent days, Dundee captain Luke McCowan and Augsburg talent Arne Engels have been named as players the Bhoys could target to strengthen the engine room. Both clubs could be open to cashing in on their prize assets, but there has been no official documentation of bids for either at this point in the window. With two weeks remaining, give or take, it is important to remember that names linked earlier in the summer could resurface as their situat…