In what is likely to be a tough period for many clubs up and down the country due to the impact of the coronavirus, former Magpies stars will also find themselves in uncertain positions.
Here, out of interest, we've rounded up the ex-United players believed to be out-of-contract next month. Would you like to see any of these back at St James’s Park?
17. Daryl Murphy
Murphy featured in a struggling Bolton Wanderers team this term, who began their League One season on minus 12 points. At 37 - what will the striker’s next step be? | Getty Images Photo: Charlotte Tattersall
18. Kazenga Lua Lua
Luton Town parted ways with Gateshead-born boss Graeme Jones in April ‘to reduce the club’s cost base’, so who knows what that could mean for the Hatters players, particularly those out-of-contract soon. | Getty Images Photo: George Wood
19. Jak Alnwick
Alnwick spent 2019/20 on loan at Blackpool from Rangers, though his playing time in League One was cut short after he sustained a broken arm in January. | Getty Images Photo: Mark Runnacles
20. James Coppinger
The Doncaster Rovers legend is on course to bid an emotional goodbye after 16 years at the club. That said, you wouldn’t bet against the 39-year-old staying put. | Getty Images Photo: Lynne Cameron