A query of Urriza v Uterga matches at the
Oriamendi2010 match database going back to July of 2015 retrieves 26 matches with full scores. Urriza has won 14, Uterga 12. These are not all the matches they have played against each other, as the match database is incomplete. But what it does reveal is that this is a tremendous rivalry. Seeing a couple of their matches whets the appetite for more. So here are a few more available matches between the two. Source for all is EITB. If you are interested, watch them as soon as you can, as there is no guarantee that they will be available at EITB's on demand site.
2. September 12, 2015. Banakako Txapelketa (33 Torneo Kutxaban) Final at Galarreta. Urriza 30, Uterga 20.
3. January 9, 2016. Masters Saria final at Galarreta: Uterga 30, Urriza 27.