Big-4 hockey league
... that Alberta's Big-4 hockey league collapsed in 1921 following repeated accusations its teams were using ineligible players?
... that <a href="./Alberta" id="mwDdE" rel="mw:WikiLink" title="Alberta">Alberta</a>'s <b id="mwDdI"><a href="./Big-4_League" id="mwDdM" rel="mw:WikiLink" title="Big-4 League">Big-4 hockey league</a></b> collapsed in 1921 following repeated accusations its teams were using ineligible players?