The Italian will complete his move once he passes a Sevilla medical.
"Sevilla FC are going to use the services of Italian midfielder Luca Cigarini, one the player passes a medical examination and signs all documents," a statement on Sevilla's official website, Sevillafc.es says.
"Cigarini will arrive at Sevilla on loan with the option to purchase the player at the end of the campaign. Making it effective would be a contract for a further four seasons with the club.
"The player should fly into Sevilla on Tuesday pending airline availability to pass the medical tests and sign the contract."