Riley O'Brien or Ryan Rolison
Baseball Stats Comparison
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| Riley O'Brien RP - STL  | Ryan Rolison RP - CHC  | |
| 2026 Stats | ||
| Games Played | 24 | 14 |
| Games Started | 0 | 0 |
| Innings Pitched | 24.1 | 16.2 |
| Wins | 3 | 3 |
| Losses | 2 | 1 |
| Saves | 13 | 0 |
| Blown Saves | 4 | 1 |
| Holds | 1 | 0 |
| Hits Allowed | 20 | 15 |
| Earned Runs | 8 | 6 |
| Home Runs Allowed | 1 | 3 |
| Strikeouts | 27 | 16 |
| Walks | 4 | 7 |
| ERA | 2.96 | 3.24 |
| WHIP | 0.99 | 1.32 |
| Riley O'Brien RP - STL | Ryan Rolison RP - CHC | |
| 2026 Projections | ||
| Games Played | 59 | 28 |
| Games Started | 0 | 0 |
| Innings Pitched | 60.2 | 32.6 |
| Wins | 3 | 1 |
| Losses | 3 | 1 |
| Saves | 14 | 0 |
| Blown Saves | 1 | 0 |
| Holds | 11 | 1 |
| Hits Allowed | 52 | 35 |
| Earned Runs | 26 | 20 |
| Home Runs Allowed | 5 | 5 |
| Strikeouts | 63 | 24 |
| Walks | 27 | 13 |
| ERA | 3.92 | 5.53 |
| WHIP | 1.31 | 1.47 |
| Riley O'Brien RP - STL | Ryan Rolison RP - CHC | |
| News | ||
| Riley O'Brien tossed 1.1 innings, allowing only the Manfred man to score, with two strikeouts and one walk in Saturday's 7-6 loss to the Reds. Chase Davis Sun, May 24th | Ryan Rolison retired one batter in the tenth before allowing a walk-off two-run home run to Edgar Quero as the White Sox defeated the Cubs, 9-8, on Sunday. David Leisering Sun, May 17th | |
| Riley O'Brien struck out two batters in a scoreless outing to earn the save in Thursday's 5-4 win over the Athletics. Chase Davis Fri, May 15th | The Cubs recalled Ryan Rolison from Triple-A. Ari Koslow Tue, Apr 14th | |
| Riley O'Brien earned the save in Tuesday's 6-4 win over the Athletics, working a scoreless frame while allowing one walk on 13 pitches. Jesse Garcia Wed, May 13th | The Cubs optioned LHP Ryan Rolison to Triple-A Iowa. Ari Koslow Thu, Mar 12th | |
| Riley O'Brien struck out one batter in a scoreless appearance to earn the save in Thursday's 2-1 win over the Padres. Chase Davis Fri, May 8th | Ryan Rolison has been claimed off of waivers by the Chicago Cubs. Rolison was most recently designated for assignment by the White Sox. David Leisering Wed, Jan 7th | |
| Riley O'Brien needed just three pitches to record the save in Monday's 6-3 win over the Brewers. Chase Davis Tue, May 5th | ||
| Notes | ||
| There are no recent notes for these players | ||
| Riley O'Brien RP - STL | Ryan Rolison RP - CHC | |||||
| Date | Opp | Opp Pitcher | VBR | Opp | Opp Pitcher | VBR |
|---|---|---|---|---|---|---|
| Thu, Mar 26th | vs TB | Drew Rasmussen (4-1) | #20 | vs WSH | Cade Cavalli (3-3) | #97 |
| Sat, Mar 28th | vs TB | Joe Boyle (0-1) | #159 | vs WSH | Miles Mikolas (1-3) | #215 |
| Sun, Mar 29th | vs TB | Steven Matz (4-1) | #93 | vs WSH | Jake Irvin (2-4) | #175 |
| Mon, Mar 30th | vs NYM | Clay Holmes (4-4) | #167 | vs LAA | Ryan Johnson | |
| Tue, Mar 31st | vs NYM | Kodai Senga (0-4) | #137 | vs LAA | Jose Soriano (6-3) | #39 |
| Wed, Apr 1st | vs NYM | Freddy Peralta (3-4) | #24 | vs LAA | Yusei Kikuchi (0-3) | #152 |
| Fri, Apr 3rd | @ DET | Framber Valdez (2-3) | #25 | @ CLE | Joey Cantillo (4-2) | #88 |
| Sat, Apr 4th | @ DET | Jack Flaherty (0-6) | #68 | |||
| Sun, Apr 5th | @ DET | Keider Montero (2-3) | #205 | @ CLE | Parker Messick (6-1) | #51 |
| Mon, Apr 6th | @ WSH | Zack Littell (4-4) | #170 | @ TB | Shane McClanahan (5-2) | #19 |
| Tue, Apr 7th | @ WSH | Cade Cavalli (3-3) | #97 | @ TB | Mason Englert | |
| Wed, Apr 8th | @ WSH | Miles Mikolas (1-3) | #215 | @ TB | Joe Boyle (0-1) | #159 |
| Fri, Apr 10th | vs BOS | Connelly Early (4-2) | #102 | vs PIT | Carmen Mlodzinski (4-3) | #105 |
| Sat, Apr 11th | vs BOS | Ranger Suarez (2-3) | #27 | vs PIT | Braxton Ashcraft (4-2) | #47 |
| Sun, Apr 12th | vs BOS | Brayan Bello (2-5) | #144 | vs PIT | Bubba Chandler (1-6) | #127 |
| Mon, Apr 13th | vs CLE | Gavin Williams (7-3) | #29 | @ PHI | Cristopher Sanchez (5-2) | #3 |
| Tue, Apr 14th | vs CLE | Joey Cantillo (4-2) | #88 | @ PHI | Aaron Nola (3-4) | #41 |
| Wed, Apr 15th | vs CLE | Slade Cecconi (3-5) | #112 | @ PHI | Jesus Luzardo (4-4) | #10 |
| Fri, Apr 17th | @ HOU | Peter Lambert (3-4) | #189 | vs NYM | Kodai Senga (0-4) | #137 |
| Sat, Apr 18th | @ HOU | Lance McCullers Jr. (2-3) | #200 | vs NYM | Freddy Peralta (3-4) | #24 |
| Sun, Apr 19th | @ HOU | Mike Burrows (2-6) | #125 | vs NYM | Tobias Myers (0-1) | #180 |
| Mon, Apr 20th | @ MIA | Max Meyer (5-0) | #72 | vs PHI | Aaron Nola (3-4) | #41 |
| Tue, Apr 21st | @ MIA | Chris Paddack (0-6) | #308 | vs PHI | Jesus Luzardo (4-4) | #10 |
| Wed, Apr 22nd | @ MIA | Janson Junk (3-5) | #120 | vs PHI | Kyle Backhus | |
| Fri, Apr 24th | vs SEA | George Kirby (5-4) | #15 | @ LAD | Emmet Sheehan (3-1) | #45 |
| Sat, Apr 25th | vs SEA | Bryan Woo (4-3) | #8 | @ LAD | Roki Sasaki (3-3) | #126 |
| Sun, Apr 26th | vs SEA | Emerson Hancock (4-2) | #98 | @ LAD | Justin Wrobleski (6-2) | #140 |
| Mon, Apr 27th | @ PIT | Mason Montgomery (1-1) | #150 | @ SD | Randy Vasquez (5-3) | #186 |
| Tue, Apr 28th | @ PIT | Braxton Ashcraft (4-2) | #47 | @ SD | Walker Buehler (3-2) | #217 |
| Wed, Apr 29th | @ PIT | Bubba Chandler (1-6) | #127 | @ SD | Matt Waldron (1-2) | #295 |
| Thu, Apr 30th | @ PIT | Paul Skenes (6-4) | #2 | |||
| Fri, May 1st | vs LAD | Emmet Sheehan (3-1) | #45 | vs ARI | Zac Gallen (3-4) | #58 |
| Sat, May 2nd | vs LAD | Roki Sasaki (3-3) | #126 | vs ARI | Ryne Nelson (2-3) | #84 |
| Sun, May 3rd | vs LAD | Justin Wrobleski (6-2) | #140 | vs ARI | Merrill Kelly (5-3) | #95 |
| Mon, May 4th | vs MIL | Chad Patrick (2-2) | #135 | vs CIN | Chase Petty (0-0) | #361 |
| Wed, May 6th | vs MIL | Brandon Sproat (1-3) | #139 | vs CIN | Brady Singer (2-4) | #136 |
| Thu, May 7th | @ SD | Michael King (4-3) | #36 | vs CIN | Rhett Lowder (3-3) | #222 |
| Fri, May 8th | @ SD | Griffin Canning (0-3) | #132 | @ TEX | Kumar Rocker (2-5) | #96 |
| Sat, May 9th | @ SD | Randy Vasquez (5-3) | #186 | @ TEX | Jack Leiter (2-4) | #74 |
| Sun, May 10th | @ SD | Walker Buehler (3-2) | #217 | @ TEX | Jacob deGrom (3-4) | #9 |
| Tue, May 12th | @ ATH | Jeffrey Springs (3-5) | #115 | @ ATL | Grant Holmes (3-2) | #123 |
| Wed, May 13th | @ ATH | J.T. Ginn (2-3) | #133 | @ ATL | JR Ritchie (1-1) | #241 |
| Thu, May 14th | @ ATH | Jacob Lopez (4-2) | #198 | @ ATL | Chris Sale (7-3) | #5 |
| Fri, May 15th | vs KC | Michael Wacha (4-2) | #81 | @ CWS | Sean Burke (2-3) | #151 |
| Sat, May 16th | vs KC | Noah Cameron (2-3) | #99 | @ CWS | Davis Martin (7-1) | #80 |
| Sun, May 17th | vs KC | Stephen Kolek (3-0) | #166 | @ CWS | Erick Fedde (0-5) | #417 |
| Tue, May 19th | vs PIT | Mitch Keller (5-2) | #86 | vs MIL | Jacob Misiorowski (5-2) | #21 |
| Wed, May 20th | vs PIT | Carmen Mlodzinski (4-3) | #105 | vs MIL | Kyle Harrison (6-1) | #57 |
| Thu, May 21st | vs PIT | Braxton Ashcraft (4-2) | #47 | |||
| Sat, May 23rd | @ CIN | Chase Petty (0-0) | #361 | vs HOU | Kai-Wei Teng (3-3) | #169 |
| Mon, May 25th | @ MIL | Jacob Misiorowski (5-2) | #21 | @ PIT | Carmen Mlodzinski (4-3) | #105 |
| Tue, May 26th | @ MIL | Kyle Harrison (6-1) | #57 | @ PIT | Braxton Ashcraft (4-2) | #47 |
| Wed, May 27th | @ MIL | Chad Patrick (2-2) | #135 | @ PIT | Bubba Chandler (1-6) | #127 |
| Fri, May 29th | vs CHC | Shota Imanaga (4-5) | #23 | @ STL | Kyle Leahy (5-3) | #164 |
| Sat, May 30th | vs CHC | Ben Brown (1-2) | #56 | @ STL | Andre Pallante (5-4) | #146 |
| Sun, May 31st | vs CHC | Jordan Wicks (0-1) | #203 | @ STL | Matthew Liberatore (2-3) | #119 |
| Mon, Jun 1st | vs TEX | Jacob deGrom (3-4) | #9 | |||
| Tue, Jun 2nd | vs TEX | Nathan Eovaldi (5-5) | #18 | vs ATH | Gage Jump (0-1) | #225 |
| Wed, Jun 3rd | vs TEX | MacKenzie Gore (3-4) | #52 | vs ATH | Jeffrey Springs (3-5) | #115 |
| Fri, Jun 5th | vs CIN | Brady Singer (2-4) | #136 | vs SF | Robbie Ray (3-6) | #75 |
| Sat, Jun 6th | vs CIN | vs SF | ||||
| Sun, Jun 7th | vs CIN | vs SF | ||||
| Tue, Jun 9th | @ NYM | @ COL | ||||
| Wed, Jun 10th | @ NYM | @ COL | ||||
| Thu, Jun 11th | @ NYM | @ COL | ||||
| Fri, Jun 12th | @ MIN | @ SF | ||||
| Sat, Jun 13th | @ MIN | @ SF | ||||
| Sun, Jun 14th | @ MIN | @ SF | ||||
| Mon, Jun 15th | vs SD | vs COL | ||||
| Tue, Jun 16th | vs SD | vs COL | ||||
| Wed, Jun 17th | vs SD | vs COL | ||||
| Thu, Jun 18th | @ KC | |||||
| Fri, Jun 19th | @ KC | vs TOR | ||||
| Sun, Jun 21st | @ KC | vs TOR | ||||
| Mon, Jun 22nd | vs ARI | @ NYM | ||||
| Tue, Jun 23rd | vs ARI | @ NYM | ||||
| Wed, Jun 24th | vs ARI | @ NYM | ||||
| Thu, Jun 25th | vs ARI | @ NYM | ||||
| Fri, Jun 26th | vs MIA | @ MIL | ||||
| Sat, Jun 27th | vs MIA | @ MIL | ||||
| Sun, Jun 28th | vs MIA | @ MIL | ||||
| Tue, Jun 30th | @ ATL | vs SD | ||||
| Wed, Jul 1st | @ ATL | vs SD | ||||
| Thu, Jul 2nd | @ ATL | |||||
| Fri, Jul 3rd | @ CHC | vs STL | ||||
| Sat, Jul 4th | @ CHC | vs STL | ||||
| Sun, Jul 5th | @ CHC | vs STL | ||||
| Mon, Jul 6th | vs MIL | |||||
| Tue, Jul 7th | vs MIL | @ BAL | ||||
| Wed, Jul 8th | vs MIL | @ BAL | ||||
| Thu, Jul 9th | vs MIL | @ BAL | ||||
| Fri, Jul 10th | vs ATL | @ CIN | ||||
| Sat, Jul 11th | vs ATL | @ CIN | ||||
| Sun, Jul 12th | vs ATL | @ CIN | ||||
| Fri, Jul 17th | @ ARI | vs MIN | ||||
| Sat, Jul 18th | @ ARI | vs MIN | ||||
| Sun, Jul 19th | @ ARI | vs MIN | ||||
| Mon, Jul 20th | @ LAA | vs DET | ||||
| Tue, Jul 21st | @ LAA | vs DET | ||||
| Wed, Jul 22nd | @ LAA | vs DET | ||||
| Fri, Jul 24th | vs CIN | @ PIT | ||||
| Sat, Jul 25th | vs CIN | @ PIT | ||||
| Sun, Jul 26th | vs CIN | @ PIT | ||||
| Mon, Jul 27th | vs CHC | @ STL | ||||
| Tue, Jul 28th | vs CHC | @ STL | ||||
| Wed, Jul 29th | vs CHC | @ STL | ||||
| Thu, Jul 30th | vs CHC | @ STL | ||||
| Fri, Jul 31st | @ TOR | vs NYY | ||||
| Sat, Aug 1st | @ TOR | vs NYY | ||||
| Sun, Aug 2nd | @ TOR | vs NYY | ||||
| Mon, Aug 3rd | @ NYY | vs LAD | ||||
| Tue, Aug 4th | @ NYY | vs LAD | ||||
| Wed, Aug 5th | @ NYY | vs LAD | ||||
| Fri, Aug 7th | vs COL | @ KC | ||||
| Sat, Aug 8th | vs COL | @ KC | ||||
| Sun, Aug 9th | vs COL | @ KC | ||||
| Mon, Aug 10th | vs PHI | |||||
| Tue, Aug 11th | vs PHI | @ WSH | ||||
| Wed, Aug 12th | vs PHI | @ WSH | ||||
| Fri, Aug 14th | @ CHC | vs STL | ||||
| Sat, Aug 15th | @ CHC | vs STL | ||||
| Sun, Aug 16th | @ CHC | vs STL | ||||
| Mon, Aug 17th | @ CIN | vs CWS | ||||
| Tue, Aug 18th | @ CIN | vs CWS | ||||
| Wed, Aug 19th | @ CIN | vs CWS | ||||
| Thu, Aug 20th | @ CIN | |||||
| Fri, Aug 21st | @ PHI | @ SEA | ||||
| Sat, Aug 22nd | @ PHI | @ SEA | ||||
| Sun, Aug 23rd | @ PHI | @ SEA | ||||
| Tue, Aug 25th | vs BAL | @ ARI | ||||
| Wed, Aug 26th | vs BAL | @ ARI | ||||
| Thu, Aug 27th | vs BAL | |||||
| Fri, Aug 28th | vs PIT | vs CIN | ||||
| Sat, Aug 29th | vs PIT | vs CIN | ||||
| Sun, Aug 30th | vs PIT | vs CIN | ||||
| Tue, Sep 1st | @ LAD | vs MIL | ||||
| Wed, Sep 2nd | @ LAD | vs MIL | ||||
| Thu, Sep 3rd | @ LAD | vs MIL | ||||
| Fri, Sep 4th | @ COL | @ MIA | ||||
| Sat, Sep 5th | @ COL | @ MIA | ||||
| Sun, Sep 6th | @ COL | @ MIA | ||||
| Mon, Sep 7th | @ SF | @ MIL | ||||
| Tue, Sep 8th | @ SF | @ MIL | ||||
| Wed, Sep 9th | @ SF | @ MIL | ||||
| Fri, Sep 11th | vs CWS | vs PIT | ||||
| Sat, Sep 12th | vs CWS | vs PIT | ||||
| Sun, Sep 13th | vs CWS | vs PIT | ||||
| Mon, Sep 14th | vs SF | vs ATL | ||||
| Tue, Sep 15th | vs SF | vs ATL | ||||
| Wed, Sep 16th | vs SF | vs ATL | ||||
| Fri, Sep 18th | vs WSH | @ CIN | ||||
| Sat, Sep 19th | vs WSH | @ CIN | ||||
| Sun, Sep 20th | vs WSH | @ CIN | ||||
| Tue, Sep 22nd | @ PIT | vs MIA | ||||
| Wed, Sep 23rd | @ PIT | vs MIA | ||||
| Thu, Sep 24th | @ PIT | vs MIA | ||||
| Fri, Sep 25th | @ MIL | @ BOS | ||||
| Sat, Sep 26th | @ MIL | @ BOS | ||||
| Sun, Sep 27th | @ MIL | @ BOS | ||||
| Thu, Apr 23rd | vs PHI | Cristopher Sanchez (5-2) | #3 | |||
| Tue, May 5th | vs CIN | Andrew Abbott (4-2) | #100 | |||
| Mon, May 18th | vs MIL | Brandon Sproat (1-3) | #139 | |||
| Fri, May 22nd | vs HOU | Spencer Arrighetti (6-1) | #122 | |||
| Sun, May 24th | vs HOU | Peter Lambert (3-4) | #189 | |||
| Thu, May 28th | @ PIT | Paul Skenes (6-4) | #2 | |||
| Thu, Jun 4th | vs ATH | Luis Severino (2-5) | #118 | |||
| Sat, Jun 20th | vs TOR | |||||
| Mon, Jun 29th | vs SD | |||||
| Thu, Aug 13th | @ WSH | |||||
| Mon, Aug 24th | @ ARI | |||||
| Mon, Aug 31st | vs MIL | |||||
