If you want to keep him, give him 1-on-1 training (forwards) for 1-2 seasons. Add some other young players (like 3-5) to this training rotation and sell 2-5 of them for a decent profit before you switch to inside training.
His TSP is pretty low and his inside skills are not that good, however his outside skills are good enough to make him a servicable big down the road.
Größter Knecht aller Zeiten aka His Excellency aka President for Life aka Field Marshal Al Hadji aka Lord of All the Beasts of the Earth and Fishes of the Seas aka aka Conqueror of the Buzzerbeater Empire in Europe in General and Austria in Particular