The 24-year-old centre-back had previously been linked with a move to Arsenal.
Bolton will be looking for cover due to the seemingly imminent departure of Gary Cahill.
The England international is in the process of agreeing personal terms with Chelsea.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Inter MiamiInter Miami | 34 | 22 | 8 | 4 | 79 | 49 | 30 | 74 |
| 2 | Columbus Crew | 34 | 19 | 9 | 6 | 72 | 40 | 32 | 66 |
| 3 | FC CincinnatiCincinnati | 34 | 18 | 5 | 11 | 58 | 48 | 10 | 59 |
| 4 | Orlando City | 34 | 15 | 7 | 12 | 59 | 50 | 9 | 52 |
| 5 | Charlotte FCCharlotte FC | 34 | 14 | 9 | 11 | 46 | 37 | 9 | 51 |
| 6 | New York City FCNY City | 34 | 14 | 8 | 12 | 54 | 49 | 5 | 50 |
| 7 | New York Red BullsNY Red Bulls | 34 | 11 | 14 | 9 | 55 | 50 | 5 | 47 |
| 8 | CF MontrealMontreal | 34 | 11 | 10 | 13 | 48 | 64 | -16 | 43 |
| 9 | Atlanta UnitedAtlanta | 34 | 10 | 10 | 14 | 46 | 49 | -3 | 40 |
| 10 | DC United | 34 | 10 | 10 | 14 | 52 | 70 | -18 | 40 |
| 11 | Philadelphia UnionPhiladelphia | 34 | 9 | 10 | 15 | 62 | 55 | 7 | 37 |
| 12 | Toronto | 34 | 11 | 4 | 19 | 40 | 61 | -21 | 37 |
| 13 | Nashville SCNashville | 34 | 9 | 9 | 16 | 38 | 54 | -16 | 36 |
| 14 | New England RevolutionNew England | 34 | 9 | 4 | 21 | 37 | 74 | -37 | 31 |
| 15 | Chicago Fire | 34 | 7 | 9 | 18 | 40 | 62 | -22 | 30 |
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Los Angeles FCLos Angeles | 34 | 19 | 7 | 8 | 63 | 43 | 20 | 64 |
| 2 | Los Angeles GalaxyLA Galaxy | 34 | 19 | 7 | 8 | 69 | 50 | 19 | 64 |
| 3 | Real Salt LakeSalt Lake | 34 | 16 | 11 | 7 | 65 | 48 | 17 | 59 |
| 4 | Seattle SoundersSeattle | 34 | 16 | 9 | 9 | 51 | 35 | 16 | 57 |
| 5 | Houston DynamoHouston | 34 | 15 | 9 | 10 | 47 | 39 | 8 | 54 |
| 6 | Minnesota UnitedMinnesota Utd | 34 | 15 | 7 | 12 | 58 | 49 | 9 | 52 |
| 7 | Colorado RapidsColorado | 34 | 15 | 5 | 14 | 61 | 60 | 1 | 50 |
| 8 | Portland TimbersPortland | 34 | 12 | 11 | 11 | 65 | 56 | 9 | 47 |
| 9 | Vancouver WhitecapsVancouver | 34 | 13 | 8 | 13 | 52 | 49 | 3 | 47 |
| 10 | Austin FCAustin | 34 | 11 | 9 | 14 | 39 | 48 | -9 | 42 |
| 11 | Dallas | 34 | 11 | 8 | 15 | 54 | 56 | -2 | 41 |
| 12 | St Louis City | 34 | 8 | 13 | 13 | 50 | 63 | -13 | 37 |
| 13 | Sporting Kansas CityKansas | 34 | 8 | 7 | 19 | 51 | 66 | -15 | 31 |
| 14 | San Jose EarthquakesEarthquakes | 34 | 6 | 3 | 25 | 41 | 78 | -37 | 21 |
