Europa League/UEFA Cup titles, and 4 of the last 5. La Liga also produced 2 losing finalists during this span, both of which lost to other Spanish teams. This is a pretty good gauge of how the second tier of La Liga stacks up against the rest of Europe — especially relevant for those who may buy the BS that La Liga not very good except for Real Madrid and Barcelona.
This of course complements La Liga’s dominance at the top, in the Champions League, which it has won 10 of the last 20 times, including 4 in a row. Plus La Liga produced 4 losing finalists during those 20 yrs, 3 of which lost in all-Spanish finals.