Bottom club Levante gave their Primera Division survival hopes a boost after holding out for a 1-1 draw at mid-table Real Sociedad on Sunday.
Brazilian striker Deyverson struck in the 24th minute to cancel out an earlier opener from Diego Reyes and move the visitors to within six points of safety.
It marked another sign of improvement in Levante, who snapped a four-game losing streak with victory over Getafe last month and performed well in a 3-1 midweek loss to Real Madrid.
The visitors started well, with Jose Luis Morales dragging a shot just wide and Algerian Carl Medjani also making good inroads, before the home side struck.
Reyes picked up a cross from the left and fired past visiting keeper Diego Marino to boost Sociedad, who were bidding to hit back from their midweek defeat to Atletico Madrid.
But Levante hit back, with Joan Verdu coming close and Jefferson Lerma bringing a fine save out of Jeronimo Rulli before Deyverson knocked home the equaliser from inside the box.
Carlos Vela came close for the hosts before an entertaining first half ended with Reyes making a superb interception to deny Deyverson a near-certain second.
Vela missed another chance in the second half while Levante striker Giuseppe Rossi had a penalty appeal turned down after tripping under the challenge of Inigo Martinez in the box.
The home side finished strongly with young striker Mikel Oiazabal at the centre of their late moves, missing one chance in the box then firing a good second effort into the side-netting.
ends