Quality mid card feud

When’s the last time we had a quality mid card feud?

In main roster WWE or in general?

Some good ones for me:

Nikki Bella - Natalya
Kevin Owens - Shane
Shane - Miz
Cena/Nikki - Miz/Maryse

On the WWE main roster

Quality I would say Cesaro vs Sheamus best of 7 that lead to the bar.