Houston Astros · SP/RP
This 29-year-old right-hander is navigating a critical recovery window following Tommy John surgery, having made encouraging strides in 2025 with solid strikeout production (34 K in 37 IP) despite an elevated 4.62 ERA. Javier's 2026 campaign is off to a rough start based on early-season metrics, but his underlying peripherals—including elite whiff rates on his fastball, sweeper, and changeup—suggest the stuff that made him a legitimate contributor in 2022 remains intact. The primary fantasy concern stems from his extreme flyball tendencies that historically translate to home run vulnerability, compounded by walk issues that can amplify damage in scoring situations. For patient fantasy managers willing to roster him as a back-end starter or speculative late-round pick, Javier offers strikeout upside and win potential once his ERA stabilizes, though durability and consistency post-surgery remain legitimate risks heading into the bulk of the 2026 season.
| Year | Team | G | GS | W | L | SV | ERA | WHIP | K | IP | BB |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | Houston Astros | 12 | 10 | 5 | 2 | 0 | 3.48 | 0.99 | 54 | 54.1 | 18 |
| 2021 | Houston Astros | 36 | 9 | 4 | 1 | 2 | 3.55 | 1.18 | 130 | 101.1 | 53 |
| 2022 | Houston Astros | 30 | 25 | 11 | 9 | 0 | 2.54 | 0.95 | 194 | 148.2 | 52 |
| 2023 | Houston Astros | 31 | 31 | 10 | 5 | 0 | 4.56 | 1.27 | 159 | 162.0 | 62 |
| 2024 | Houston Astros | 7 | 7 | 3 | 1 | 0 | 3.89 | 1.41 | 27 | 34.2 | 19 |
| 2025 | Houston Astros | 8 | 8 | 2 | 4 | 0 | 4.62 | 1.27 | 34 | 37.0 | 15 |
| 2026 | Houston Astros | 17 | 12 | 2 | 6 | 0 | 5.14 | 1.46 | 59 | 63.0 | 28 |
| Career | Totals | 141 | 102 | 37 | 28 | 2 | 3.82 | 1.18 | 657 | 601 | 247 |
Source: MLB Stats API · Multi-team seasons show combined totals — click to expand
| Year | Team | G | GS | W | L | SV | ERA | WHIP | K | IP | BB |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | 2 teams▼ | 14 | 4 | 4 | 0 | 0 | 2.13 | 0.92 | 50 | 42.1 | 9 |
| 2016 | 2 teams▼ | 13 | 6 | 4 | 2 | 1 | 2.29 | 1.02 | 66 | 51.0 | 18 |
| 2017 | 3 teams▼ | 14 | 9 | 3 | 0 | 1 | 2.25 | 1.08 | 80 | 60 | 27 |
| 2018 | 2 teams▼ | 25 | 18 | 7 | 6 | 1 | 2.70 | 1.11 | 146 | 110 | 50 |
| 2019 | 3 teams▼ | 26 | 18 | 8 | 3 | 4 | 1.74 | 0.97 | 170 | 113.2 | 59 |
| 2024 | Corpus Christi Hooks | 1 | 1 | 0 | 1 | 0 | 8.10 | 1.50 | 3 | 3.1 | 2 |
| 2025 | 3 teams▼ | 5 | 5 | 0 | 1 | 0 | 5.14 | 1.79 | 15 | 14 | 15 |
| 2026 | 2 teams▼ | 5 | 5 | 1 | 1 | 0 | 4.08 | 1.25 | 20 | 17.2 | 8 |
| Career | Totals | 103 | 66 | 27 | 14 | 7 | 2.45 | 1.07 | 550 | 412 | 188 |
Source: MLB Stats API · Multi-team seasons show combined totals — click to expand
Current season · MLB only
| G | GS | IP | W-L | SV | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|---|---|
| 7 | 6 | 30.2 | 1-3 | 0 | 3.52 | 1.21 | 34 | 12 |
| G | GS | IP | W-L | SV | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|---|---|
| 17 | 12 | 63.0 | 2-6 | 0 | 5.14 | 1.46 | 59 | 28 |