WADA investigation into Nasri Drip Doctors case could see four-year ban

The World Anti-Doping Agency (WADA) wants to clarify as soon as possible if Samir Nasri violated the rules when receiving a treatment two weeks ago in a Californian clinic.

According to the British newspaper 'The Independent', the Sevilla player could face a ban of up to four years if illicit behavior is proven.

The Sevilla player is the protagonist of the so-called 'Drip Doctors' case, the name of the Californian clinic to which Nasri possibly went to receive the controversial treatment.

WADA recalls that intravenous therapy is prohibited unless it is applied with less than 50 milliliters within six hours or in those specific cases where the athlete has a special permit.

Sevilla continue to support Nasri's innocence, but they're under pressure from WADA. It is worth remembering that the Spanish Agency for the Projection of Health in Sport opened an investigation on Dec. 28 when the player's visit to the California clinic was revealed, but the Spanish Agency has not disclosed the results of the investigation.

"A violation of Article 2.2 of the code could result in a sanction of up to four years," WADA spokesman Ben Nichols confirmed in a statement.

"However, this will depend upon factors such as whether or not the use was intentional and if unintentional, the sanction could be subject to further reductions on the basis of no significant fault or negligence."