According to MailOnline's Simon Jones, United are among those to take a keen interest in Kovacic's announcement of his desire to leave the Spanish capital, but Madrid "value him highly as a versatile and quality back-up to their midfield and are reluctant to sell".
The report further revealed that the Croatian worldwide, who is a three-time Champions League victor with the Los Blancos, is still under contract with the Santiago Bernabeu side until 2021.
As a result, any potential negotiations between United and the European champions won't be straightforward.
Kovacic has largely featured as an option from the bench during his three years in Madrid.
Lives at steak: French butchers warn about vegan violence
In the Hauts-de-France of northern France , seven butchers and charcuteries were attacked and sprayed with false blood in April. He said the 18,000 butchers of France were "worried about media overexposure of the vegan way of life".
Pharmacist denies woman miscarriage drug on moral grounds
She says the pharmacist had "ultimately had it transferred to another location that had it in stock after I had left upset". And, she wants a law in place that would require pharmacies to fill prescriptions approved by doctors.
Joanna Gaines shares adorable new photo of baby boy
The boy, named Crew Gaines, is a break from the famous family's tradition of naming their boys with "D" letters . Chip and Joanna already have four children: Drake , 12, Ella , 11, Duke , 9, and Emmie Kay, 7.