The 25-year-old forward has started just four games for the Blaugrana in 2018-19 so far
Rafinha's father and agent Mazinho has said his son needs to leave Barcelona in search of more playing time.
After spending the second half of last season on loan at Inter, the forward has struggled to find minutes with Barca in 2018-19, making just six appearances for a total of 259 minutes.
That lack of playing time has left Mazinho frustrated and questioning his son's future at Camp Nou.
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"It's crazy, he can't understand anything," Mazinho told Radio Galicia Sport.