Jason Denayer has enjoyed a successful season on loan at Celtic . The 23-year-old was signed from the French club in January and made his debut against Motherwell last month. Hearts captain Danny Wilson is also among Deila 's defensive targets .
Jason Denayer has enjoyed a successful season on loan at Celtic . Ronny Deila will ask Manchester City about keeping him for next season . Hearts captain Danny Wilson is also among Deila 's defensive targets .