Southampton look set to have a relatively quiet January transfer window, with tweaks to the squad expected rather than significant overhaul on the agenda. However, that does not mean Russell Martin and the Southampton board will not be assessing the market to see if there is value to be had and whether there is the potential to bring in quality that can help with their promotion bid. Southampton‘s transfer market may be determined by potential outgoings which could then lead to replacements being signed. Che Adams faces a very uncertain month with his contract expiring in the summer, and it is…