Real Madrid's Eden Hazard came off with an injury in the loss to Levante, with Zinedine Zidane fearful over the extent of the problem.
Jose Luis Morales scored an eye-catching late winner to secure Levante a 1-0 win over Real Madrid, who trail Barcelona ahead of El Clasico.
Real Madrid have huge games in the Champions League and LaLiga coming up, but could be without Eden Hazard.
It was not the result he was looking for against Celta Vigo but Eden Hazard was delighted to be back playing for Real Madrid.
Real Madrid's draw with Celta Vigo frustrated Zinedine Zidane, who defended the performances of Marcelo and Gareth Bale.
Thibaut Courtois highlighted the significance of Eden Hazard's return after Real Madrid's 2-2 draw with Celta Vigo.
Eden Hazard made his long-awaited return for Real Madrid, but Zinedine Zidane's men let two valuable points slip against Celta Vigo.
Real Madrid were on course for a sixth successive LaLiga win but Santi Mina's 85th-minute goal ensured Celta Vigo claimed a 2-2 draw.
Eden Hazard lined up alongside Karim Benzema and Gareth Bale as Real Madrid entertained Celta Vigo on Sunday.
Real Madrid entertain Celta Vigo in LaLiga on Sunday and Zinedine Zidane confirmed Eden Hazard is available to play.