Donegal won't beat Dublin in the All-Ireland semi-final on Sunday if their scoring rate doesn't improve.
That's according to former Donegal wing back Kevin Cassidy.
The 2012 All-Ireland champs have averaged 1-13 per game this season.
Cassidy doesn't think that's good enough to stop the Dublin juggernaut
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Cassidy was with Barry Cahill to promote the Croke Park Classic between University of Central Florida and Penn State this Saturday.
