There have been 16 ties this weekend, with Wrexham the only non-league team left in the Cup
Celtic remain nine points clear after the weekend after they matched Rangers' 2-0 win over St Johnstone when they played Dundee United at Tannadice. There were also clean sheets and victories for St Mirren, Hibernian and Ross County. Here, Planet Sport looks at five things we learned from the weekend's action.
Thomas Partey is the lynchpin for Arsenal and a potential injury absence could derail their season