Preview: Wednesday promises key survival battles in La Liga

MADRID, May 14 (Xinhua) -- Wednesday is a key day for the future of three (and perhaps four) clubs battling to avoid relegation from La Liga.

The key game is in Seville, where third-from-bottom Cadiz, who currently occupy the final relegation spot, visit a Sevilla side with little more than pride to play for.

A 1-0 win at home to Las Palmas at the weekend kept Cadiz's survival chances alive and a win woul