The 30-year-old returns to the Spanish outfit after a successful season-long loan last term.
Lejeune joined Newcastle in an £8.7million deal from Eibar in 2017 but was hampered by two serious knee injuries during his time at the club.
He made 46 appearances for the club in all competitions.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Liverpool | 20 | 14 | 5 | 1 | 48 | 20 | 28 | 47 |
| 2 | Arsenal | 21 | 12 | 7 | 2 | 41 | 19 | 22 | 43 |
| 3 | Nottingham ForestNott'm Forest | 21 | 12 | 5 | 4 | 30 | 20 | 10 | 41 |
| 4 | Newcastle UnitedNewcastle | 21 | 11 | 5 | 5 | 37 | 22 | 15 | 38 |
| 5 | Chelsea | 21 | 10 | 7 | 4 | 41 | 26 | 15 | 37 |
| 6 | Manchester CityMan City | 21 | 10 | 5 | 6 | 38 | 29 | 9 | 35 |
| 7 | Aston Villa | 21 | 10 | 5 | 6 | 31 | 32 | -1 | 35 |
| 8 | Bournemouth | 21 | 9 | 7 | 5 | 32 | 25 | 7 | 34 |
| 9 | Brighton & Hove AlbionBrighton | 21 | 7 | 10 | 4 | 32 | 29 | 3 | 31 |
| 10 | Fulham | 21 | 7 | 9 | 5 | 32 | 30 | 2 | 30 |
| 11 | Brentford | 21 | 8 | 4 | 9 | 40 | 37 | 3 | 28 |
| 12 | Manchester UnitedMan Utd | 21 | 7 | 5 | 9 | 26 | 29 | -3 | 26 |
| 13 | West Ham UnitedWest Ham | 21 | 7 | 5 | 9 | 27 | 41 | -14 | 26 |
| 14 | Tottenham HotspurSpurs | 21 | 7 | 3 | 11 | 43 | 32 | 11 | 24 |
| 15 | Crystal Palace | 21 | 5 | 9 | 7 | 23 | 28 | -5 | 24 |
| 16 | Everton | 20 | 3 | 8 | 9 | 15 | 26 | -11 | 17 |
| 17 | Wolverhampton WanderersWolves | 21 | 4 | 4 | 13 | 31 | 48 | -17 | 16 |
| 18 | Ipswich TownIpswich | 21 | 3 | 7 | 11 | 20 | 37 | -17 | 16 |
| 19 | Leicester CityLeicester | 21 | 3 | 5 | 13 | 23 | 46 | -23 | 14 |
| 20 | Southampton | 21 | 1 | 3 | 17 | 13 | 47 | -34 | 6 |
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