Campana leaves Palace for Nurnberg
The 20-year old Spanish midfielder, who joined the Eagles from Sevilla in the summer, will spend the remainder of the season in Germany.
Campana has struggled for game time in south London and could be sold in the summer if the loan suits all parties.
"At the same time the two clubs agreed a purchase option for the midfielder, whose contract at Crystal Palace is until June 30, 2017."
For breaking stories and all the great banter like us on Facebook: facebook.com/tribalfootball