Option to buy
Celta have the option to buy Pinilla, 19, outright after his loan period has expired. Coach Miguel Ángel Lotina said of the Chilean: "We are not expecting him to transform the team but he will certainly be able to help us out during this difficult period."
Pinilla's arrival should provide a welcome tonic for Celta, who are struggling at the wrong end of the Primera División table. Despite progressing to the UEFA Champions League last 16, injuries and a loss of form have afflicted Celta this season and they were in the relegation zone before last weekend's 4-2 win at RCD Mallorca.
The Galicians face Arsenal FC in the Champions League first knockout round next month and Pinilla will be eligible for the competition.
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