The 35-year-old has been without a club since leaving German side Werder Bremen in the summer, but he had been training with former club United in October.
"Look forward to seeing Mikael Silvestre in Timbers green at training today (Tuesday)," Paulson wrote on his Twitter page.
Silvestre has not played a competitive match since January 2012.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Inter MiamiInter Miami | 32 | 20 | 8 | 4 | 72 | 47 | 25 | 68 |
| 2 | Columbus Crew | 31 | 16 | 9 | 6 | 62 | 36 | 26 | 57 |
| 3 | FC CincinnatiCincinnati | 32 | 17 | 5 | 10 | 55 | 44 | 11 | 56 |
| 4 | Orlando City | 32 | 14 | 7 | 11 | 55 | 47 | 8 | 49 |
| 5 | New York Red BullsNY Red Bulls | 32 | 11 | 14 | 7 | 52 | 45 | 7 | 47 |
| 6 | New York City FCNY City | 32 | 13 | 8 | 11 | 51 | 46 | 5 | 47 |
| 7 | Charlotte FCCharlotte FC | 32 | 12 | 9 | 11 | 41 | 37 | 4 | 45 |
| 8 | CF MontrealMontreal | 32 | 10 | 10 | 12 | 46 | 62 | -16 | 40 |
| 9 | Philadelphia UnionPhiladelphia | 32 | 9 | 10 | 13 | 59 | 50 | 9 | 37 |
| 10 | DC United | 32 | 9 | 10 | 13 | 50 | 66 | -16 | 37 |
| 11 | Toronto | 33 | 11 | 4 | 18 | 40 | 60 | -20 | 37 |
| 12 | Atlanta UnitedAtlanta | 32 | 8 | 10 | 14 | 42 | 47 | -5 | 34 |
| 13 | Nashville SCNashville | 32 | 8 | 9 | 15 | 34 | 51 | -17 | 33 |
| 14 | New England RevolutionNew England | 31 | 9 | 4 | 18 | 34 | 62 | -28 | 31 |
| 15 | Chicago Fire | 33 | 7 | 9 | 17 | 40 | 59 | -19 | 30 |
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Los Angeles GalaxyLA Galaxy | 32 | 18 | 7 | 7 | 66 | 47 | 19 | 61 |
| 2 | Los Angeles FCLos Angeles | 31 | 16 | 7 | 8 | 55 | 41 | 14 | 55 |
| 3 | Real Salt LakeSalt Lake | 32 | 14 | 11 | 7 | 62 | 47 | 15 | 53 |
| 4 | Seattle SoundersSeattle | 32 | 15 | 8 | 9 | 49 | 34 | 15 | 53 |
| 5 | Houston DynamoHouston | 32 | 14 | 9 | 9 | 45 | 35 | 10 | 51 |
| 6 | Colorado RapidsColorado | 32 | 15 | 5 | 12 | 59 | 56 | 3 | 50 |
| 7 | Vancouver WhitecapsVancouver | 31 | 13 | 8 | 10 | 50 | 44 | 6 | 47 |
| 8 | Minnesota UnitedMinnesota Utd | 32 | 13 | 7 | 12 | 53 | 48 | 5 | 46 |
| 9 | Portland TimbersPortland | 32 | 12 | 9 | 11 | 64 | 55 | 9 | 45 |
| 10 | Austin FCAustin | 32 | 10 | 9 | 13 | 35 | 44 | -9 | 39 |
| 11 | Dallas | 32 | 10 | 7 | 15 | 52 | 55 | -3 | 37 |
| 12 | St Louis City | 32 | 7 | 13 | 12 | 46 | 59 | -13 | 34 |
| 13 | Sporting Kansas CityKansas | 32 | 8 | 7 | 17 | 50 | 61 | -11 | 31 |
| 14 | San Jose EarthquakesEarthquakes | 32 | 6 | 3 | 23 | 40 | 74 | -34 | 21 |
