Celtic fans made their frustration felt during the January transfer window when a left-back wasn’t added to Brendan Rodgers’ squad before the deadline. Despite a scramble before closing time, late attempts to land Wolverhampton Wanderers defender Hugo Bueno and Paris Saint-Germain veteran Layvin Kurzawa fell by the wayside. Estoril’s Tiago Araujo was also floated as a Celtic target; however, that never came to fruition either, and the same could be said for attempts to land Owen Beck, who was heavily linked with a move to Parkhead during the mid-season market. Nevertheless, Jurgen Klopp fielde…