Celtic are looking to make as many as six signings this summer despite a lack of activity in the early portion of pre-season. By this time last year the Bhoys had already made two additions to the squad in Odin Thiago Holm and Marco Tilio, though neither have proven themselves to be first-team regulars. Brendan Rodgers has made it clear this time around that he won’t be bringing in newcomers to the squad unless they are of the right quality. The goalkeeping position remains a top priority for the Bhoys with reports indicating they will make a renewed push to sign the £8m-rated Peter Vindahl Je…