Brendan Rodgers made it clear he wants Celtic to strike in the market before the deadline as he bids to bolster several areas of his squad. With less than three days left of the window, the Bhoys have confirmed the loan arrival of Alex Valle from Barcelona. The La Masia graduate joins for the season in a deal worth £1.3 million. On the same token, bids still remain live for Augsburg midfielder Arne Engels and LAFC’s versatile star Mateusz Bogusz. Meanwhile, it remains to be seen if Sheffield United will accept Celtic’s £5 million offer for Auston Trusty. There is a chance Mikey Johnston’s pote…