Pro Rugby Cup
In 2002 SRU created this competition as a professional national championship, used also to determine the scottish sides qualified for Heineken Cup.
After only one season it was abandoned.
www.bbc.com - BBC site
www.scottishrugby.org/ - Scottish rugby union site
en.wikipedia.org/wiki/Rugby_union_in_Scotland - Wikipedia pages about scottish rugby
Every site was scanned using also web.archive.org