Players · R · Pitcher · 2026 regular season
Ryan Rolison
- Age
- 29
- B/T
- R/L
- Height
- 6' 2"
- Weight
- 213 lb
- Number
- #33
- Born
- July 11, 1997 in Jackson, TN, United States
- MLB debut
- May 13, 2025
- Drafted
- 2018, round 1
- College
- Mississippi
- High school
- University
- dbWAR
- -.3 Regular season, 2 season(s)
- IP
- 63.0
- ERA
- 3.14
- FIP
- 3.93
- K/9
- 7.9
- FIP−
- 94 100 = avg
Ryan Rolison is a relief pitcher for the Chicago Cubs. In 2026 he struck out 55 batters over 63.0 innings across 60 appearances, going 9-2. His ERA of 3.14 was 24.8% lower than the league average of 4.18 — the second best on his team, and 115th of 539 among MLB pitchers with 20+ innings. Stripping out defence, his 3.93 FIP suggests that his ERA had some help behind him. He missed bats on 19.7% of swings (9.0% of every pitch he threw), walked 10.9% of the batters he faced and struck out 21.5%. His 0.6 dbWAR is built from that FIP rather than runs allowed, so it credits him for what he controls and not for the defence behind him.
League context
Percentile among qualified pitchers, 2026 regular season.
WAR by season
Pitching Regular season
Standard and advanced, by season. Regular-season games only — postseason games are listed separately below.
Separate from the regular season
Postseason Postseason
Wild Card through World Series. These games are counted on their own: none of them are in the regular-season tables, career totals, league context, leaderboards or dbWAR on this page.
Postseason pitching
| Season | Team | Round | G | GS | IP | W | L | SV | H | ER | HR | BB | SO | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 Post | CHC | Wild Card · through Sep 29 | 1 | 0 | 1.0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0.00 | 1.00 | 18.0 |
Box-score and rate statistics only. wOBA, wRC+, FIP and dbWAR are measured against a full league season, and a postseason is a few teams playing each other for a month, so they are not computed for October.
Platoon splits
How left- and right-handed hitters fare against him.
| Split | PA | AB | H | HR | BB | SO | AVG | OBP | SLG | wOBA | K% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| vs LHB | 123 | 111 | 18 | 0 | 10 | 32 | .162 | .230 | .189 | .200 | 26.0% |
| vs RHB | 133 | 115 | 35 | 6 | 18 | 23 | .304 | .398 | .530 | .403 | 17.3% |
Pitch sequencing
What Ryan Rolison throws in each count, and what he follows each pitch with. Select any cell for the breakdown.
Select a count to see exactly what Ryan Rolison throws in it.
Pitch arsenal
What he throws, how hard, how often it misses, and what hitters do with it.
| Four-Seam Fastball | 394 | 94.7 | 2,270 | 44.2% | 13.7% | 95 | .221 | .732 | |
| Curveball | 162 | 79.5 | 2,668 | 47.5% | 22.9% | 32 | .344 | 1.039 | |
| Sweeper | 152 | 85.1 | 2,603 | 44.1% | 35.9% | 37 | .108 | .240 | |
| Sinker | 147 | 95.0 | 2,209 | 49.7% | 17.1% | 29 | .138 | .366 | |
| Slider | 126 | 86.8 | 2,530 | 42.1% | 16.9% | 33 | .333 | .783 | |
| Unknown | 13 | — | — | 46.2% | 14.3% | 2 | — | — |
Compare Ryan Rolison with…
Side by side with up to three others.
Or read one already written — Ryan Rolison against:
- Mason Miller2026 Wild Card Series
- Brock Burkesimilar 2026 seasons
- Adrian Morejon2026 Wild Card Series
- Chad Patricksimilar 2026 seasons
- Michael King2026 Wild Card Series
- Huascar Brazobánsimilar 2026 seasons
- Bradgley Rodriguez2026 Wild Card Series
- Mason Fluhartysimilar 2026 seasons
- Tim Herrinsimilar 2026 seasons
- Brooks Raleysimilar 2026 seasons
- Tyler Davissimilar 2026 seasons
- Bryse Wilsonsimilar 2025 seasons
Similar players
Nearest 2026 seasons by command, run prevention and role, on rate statistics rather than totals.
wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.