Ronaldo Vieira
28 yrs · Central midfielder (also DM) · Guinea-Bissau
San Jose Earthquakes · Major League Soccer · Foot: right · Height: 178 cm
Contract: until 31 Dec 2026
No model evaluation for this player. MoneyballAI evaluates players with at least 450 league minutes last season in leagues where match-level player data is available from the current free source (14 European top divisions). Market value and transfer history are still shown below.
Market value
€800k
Updated today
Estimated acquisition
—
Estimated · 20–80% range
Model value
—
Performance-implied · estimated
Projected (24m)
—
Resale range · estimated
Potential value gap
—
Model value − acquisition
Market value history
Market value ≠ transfer fee ≠ acquisition cost.
Highest recorded: €7.0M
Season-by-season (domestic league)
Context-adjusted values are model outputs.
| Season | Club | League | Pos | Apps | Min | Min share | G | A | G+A/90 | Adj. G+A/90 | Opp. Elo | Team Elo | League str. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022/23 | UC Sampdoria | Serie A | DM | 16 | 815 | 24% | 0 | 0 | 0.00 | 0.10 | 1508 | 1271 | 0.94 |
| 2022/23 | Torino FC | Serie A | DM | 2 | 15 | 0% | 0 | 0 | 0.00 | 0.14 | 1454 | 1468 | 0.94 |
| 2021/22 | UC Sampdoria | Serie A | CM | 14 | 489 | 14% | 0 | 0 | 0.00 | 0.17 | 1540 | 1375 | 0.89 |
| 2020/21 | Hellas Verona | Serie A | CM | 4 | 225 | 7% | 0 | 0 | 0.00 | 0.20 | 1505 | 1369 | 0.90 |
| 2019/20 | UC Sampdoria | Serie A | CM | 27 | 1820 | 53% | 0 | 1 | 0.05 | 0.10 | 1396 | 1374 | 0.82 |
| 2018/19 | UC Sampdoria | Serie A | DM | 14 | 594 | 17% | 0 | 0 | 0.00 | 0.08 | 1515 | 1407 | 0.78 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2022/23 | Italy Cup | UC Sampdoria | 1 | 90 | 0 | 0 | — |
| 2021/22 | Italy Cup | UC Sampdoria | 1 | 26 | 0 | 0 | — |
| 2020/21 | Italy Cup | Hellas Verona | 1 | 120 | 1 | 0 | — |
| 2019/20 | Italy Cup | UC Sampdoria | 2 | 180 | 0 | 2 | — |
| 2018/19 | Italy Cup | UC Sampdoria | 1 | 84 | 0 | 0 | — |
Small continental samples are shown for context only and are not over-weighted.
Historical comparables
Most similar profiles 2+ years ago (same position group) and what happened next. Chosen by similarity only — failures included.
No comparables computed for this player.
Transfer history
Fees as reported by the source; undisclosed fees shown as unknown, never estimated.
| Date | From | To | Fee | MV at time |
|---|---|---|---|---|
| 7 Aug 2025 | Sampdoria | SJ Earthquakes | €400k | €400k |
| 30 Jun 2023 | Torino | Sampdoria | Free / loan | €2.0M |
| 31 Jan 2023 | Sampdoria | Torino | Free / loan | €3.0M |
| 30 Jun 2021 | Hellas Verona | Sampdoria | Free / loan | €5.0M |
| 3 Oct 2020 | Sampdoria | Hellas Verona | Free / loan | €6.5M |
| 1 Aug 2018 | Leeds | Sampdoria | €7.3M | €5.0M |
| 1 Jul 2016 | Leeds U18 | Leeds | Unknown | Data unavailable |
| 1 Sept 2015 | i2i Academy | Leeds U18 | Unknown | Data unavailable |
| 1 Jul 2014 | Unknown | i2i Academy | Free / loan | Data unavailable |
| 1 Jul 2011 | Benfica Yth | Unknown | Free / loan | Data unavailable |
MoneyballAI identifies statistical opportunities from available data. A player flagged as a potential bargain is not guaranteed to succeed, to transfer, to rise in value, or to generate resale profit. Market values, fees and contracts come from third-party sources; ranges are model estimates with stated confidence.