Who Should I Trade?
Carlos Estevez for Isaac Mattson (2026)
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Experts' Pick | ||
| Carlos Estevez RP - KC  | Isaac Mattson RP - PIT  | |
Expert |
75% Recommended by 3 of 4 experts |
25% Recommended by 1 of 4 experts |
| Rankings | ||
| Rest of Season | # 166 | ‐ |
| VBR | # 740 | # 709 |
| Projections | ||
| Strikeouts | 19 | 28 |
| Wins | 1 | 2 |
| Saves | 4 | 0 |
| ERA | 4.54 | 4.30 |
| WHIP | 1.40 | 1.43 |
| Misc | ||
| Injury Alert | IL15 | MiLB |
| Expert Ranks | ||
| Scott Pianowski Yahoo! Sports | # 163 | ‐ |
| Chris Welsh FantasyPros | # 114 | ‐ |
| Kelly Kirby FantasyPros | # 216 | ‐ |
| Kevin Spinelli KevScores | ‐ | # 406 |
| Carlos Estevez RP - KC | Isaac Mattson RP - PIT | |
| 2026 Stats | ||
| Games Played | 1 | 21 |
| Games Started | 0 | 0 |
| Innings Pitched | 0.1 | 19.2 |
| Wins | 0 | 0 |
| Losses | 1 | 0 |
| Saves | 0 | 0 |
| Blown Saves | 1 | 2 |
| Holds | 0 | 7 |
| Hits Allowed | 4 | 19 |
| Earned Runs | 6 | 9 |
| Home Runs Allowed | 1 | 0 |
| Strikeouts | 0 | 15 |
| Walks | 2 | 10 |
| ERA | 162.00 | 4.12 |
| WHIP | 18.00 | 1.47 |
| Carlos Estevez RP - KC | Isaac Mattson RP - PIT | |
| 2026 Projections | ||
| Games Played | 23 | 35 |
| Games Started | 0 | 0 |
| Innings Pitched | 22.0 | 31.6 |
| Wins | 1 | 2 |
| Losses | 2 | 2 |
| Saves | 4 | 0 |
| Blown Saves | 0 | 0 |
| Holds | 1 | 4 |
| Hits Allowed | 21 | 29 |
| Earned Runs | 11 | 15 |
| Home Runs Allowed | 3 | 4 |
| Strikeouts | 19 | 28 |
| Walks | 9 | 15 |
| ERA | 4.54 | 4.30 |
| WHIP | 1.40 | 1.43 |
| Carlos Estevez RP - KC | Isaac Mattson RP - PIT | |
| News | ||
| Carlos Estevez began playing catch on Wednesday. Nicholas Rodriguez Thu, May 28th | Isaac Mattson has been sent to Triple-A Indianapolis. Nate Miller - FantasyPros Wed, May 20th | |
| Royals manager Matt Quatraro said RHP Carlos Estévez is slated to see the team doctor on Tuesday. Ari Koslow Tue, May 26th | Isaac Mattson pitched a perfect eighth inning on Sunday, including a strikeout, for his fifth hold of the season as the Pirates defeated the Rays, 6-3. David Leisering Sun, Apr 19th | |
| Carlos Estevez has a right rotator cuff strain and will be shut down for the next three weeks. Ari Koslow Thu, May 7th | ||
| Carlos Estevez is still waiting on an update after his early exit from his rehab appearance on Wednesday. Ari Koslow Thu, May 7th | ||
| Carlos Estevez exited his rehab outing in Triple-A Omaha with shoulder discomfort. Ari Koslow Wed, May 6th | ||
| Notes | ||
| There are no recent notes for these players | ||
| Carlos Estevez RP - KC | Isaac Mattson RP - PIT | |||||
| Date | Opp | Opp Pitcher | VBR | Opp | Opp Pitcher | VBR |
|---|---|---|---|---|---|---|
| Fri, Mar 27th | @ ATL | Chris Sale (8-3) | #5 | |||
| Sat, Mar 28th | @ ATL | Reynaldo Lopez (2-1) | #108 | @ NYM | David Peterson (3-5) | #117 |
| Sun, Mar 29th | @ ATL | Grant Holmes (3-2) | #139 | @ NYM | Nolan McLean (2-4) | #29 |
| Mon, Mar 30th | vs MIN | Simeon Woods Richardson (0-7) | #222 | @ CIN | Chase Burns (7-1) | #25 |
| Wed, Apr 1st | vs MIN | Joe Ryan (3-3) | #15 | @ CIN | Andrew Abbott (4-3) | #99 |
| Thu, Apr 2nd | vs MIN | Taj Bradley (5-1) | #74 | |||
| Sat, Apr 4th | vs MIL | Logan Henderson (2-1) | #57 | vs BAL | Shane Baz (2-5) | #84 |
| Sun, Apr 5th | vs MIL | Kyle Harrison (6-1) | #63 | vs BAL | Chris Bassitt (4-3) | #125 |
| Mon, Apr 6th | @ CLE | Tanner Bibee (0-7) | #38 | vs SD | German Marquez (3-2) | #330 |
| Tue, Apr 7th | @ CLE | Gavin Williams (8-3) | #27 | vs SD | Nick Pivetta (1-2) | #138 |
| Wed, Apr 8th | @ CLE | Joey Cantillo (4-2) | #106 | vs SD | Michael King (4-4) | #35 |
| Thu, Apr 9th | vs CWS | Anthony Kay (5-1) | #182 | |||
| Fri, Apr 10th | vs CWS | Davis Martin (8-1) | #79 | @ CHC | Shota Imanaga (4-6) | #24 |
| Sat, Apr 11th | vs CWS | Erick Fedde (0-5) | #373 | @ CHC | Edward Cabrera (3-2) | #70 |
| Sun, Apr 12th | vs CWS | Grant Taylor (1-0) | #53 | @ CHC | Jameson Taillon (2-4) | #107 |
| Tue, Apr 14th | @ DET | Framber Valdez (2-4) | #26 | vs WSH | PJ Poulin (3-0) | #237 |
| Wed, Apr 15th | @ DET | Jack Flaherty (0-7) | #62 | vs WSH | Jake Irvin (2-4) | #203 |
| Thu, Apr 16th | @ DET | Keider Montero (2-3) | #201 | vs WSH | Foster Griffin (6-2) | #88 |
| Fri, Apr 17th | @ NYY | Cam Schlittler (7-2) | #36 | vs TB | Nick Martinez (5-1) | #81 |
| Sat, Apr 18th | @ NYY | Will Warren (6-1) | #60 | vs TB | Drew Rasmussen (4-2) | #21 |
| Sun, Apr 19th | @ NYY | Ryan Weathers (2-3) | #66 | vs TB | Shane McClanahan (5-2) | #22 |
| Mon, Apr 20th | vs BAL | Kyle Bradish (2-6) | #43 | |||
| Tue, Apr 21st | vs BAL | Shane Baz (2-5) | #84 | @ TEX | Kumar Rocker (2-5) | #103 |
| Wed, Apr 22nd | vs BAL | Chris Bassitt (4-3) | #125 | @ TEX | Jack Leiter (2-4) | #76 |
| Fri, Apr 24th | vs LAA | Yusei Kikuchi (0-3) | #155 | @ MIL | Brandon Woodruff (2-1) | #56 |
| Sat, Apr 25th | vs LAA | Walbert Urena (2-4) | #421 | @ MIL | Jacob Misiorowski (5-2) | #18 |
| Sun, Apr 26th | vs LAA | Reid Detmers (2-5) | #41 | @ MIL | Kyle Harrison (6-1) | #63 |
| Tue, Apr 28th | @ ATH | Aaron Civale (5-2) | #219 | vs STL | Kyle Leahy (5-3) | #162 |
| Wed, Apr 29th | @ ATH | Luis Severino (2-6) | #146 | vs STL | Andre Pallante (5-4) | #163 |
| Thu, Apr 30th | @ ATH | Jeffrey Springs (3-6) | #111 | vs STL | Hunter Dobbins (0-0) | #198 |
| Fri, May 1st | @ SEA | Bryan Woo (5-3) | #6 | vs CIN | Brady Singer (2-5) | #143 |
| Sat, May 2nd | @ SEA | Emerson Hancock (4-2) | #91 | vs CIN | Rhett Lowder (3-3) | #206 |
| Sun, May 3rd | @ SEA | Luis Castillo (1-5) | #46 | vs CIN | Chase Burns (7-1) | #25 |
| Mon, May 4th | vs CLE | Tanner Bibee (0-7) | #38 | |||
| Tue, May 5th | vs CLE | Gavin Williams (8-3) | #27 | @ ARI | Eduardo Rodriguez (5-1) | #112 |
| Wed, May 6th | vs CLE | Joey Cantillo (4-2) | #106 | @ ARI | Michael Soroka (7-2) | #67 |
| Thu, May 7th | vs CLE | Slade Cecconi (3-5) | #105 | @ ARI | Zac Gallen (3-4) | #71 |
| Fri, May 8th | vs DET | Keider Montero (2-3) | #201 | @ SF | Robbie Ray (3-6) | #83 |
| Sat, May 9th | vs DET | Burch Smith | @ SF | Landen Roupp (5-5) | #61 | |
| Sun, May 10th | vs DET | Brenan Hanifee | @ SF | Tyler Mahle (1-7) | #119 | |
| Tue, May 12th | @ CWS | Erick Fedde (0-5) | #373 | vs COL | Michael Lorenzen (2-7) | #427 |
| Wed, May 13th | @ CWS | Noah Schultz (2-4) | #221 | vs COL | Jose Quintana (2-3) | #425 |
| Thu, May 14th | @ CWS | Anthony Kay (5-1) | #182 | vs COL | Chase Dollander (3-3) | #340 |
| Fri, May 15th | @ STL | Dustin May (3-6) | #85 | vs PHI | Aaron Nola (3-4) | #39 |
| Sat, May 16th | @ STL | Kyle Leahy (5-3) | #162 | vs PHI | Cristopher Sanchez (6-2) | #3 |
| Sun, May 17th | @ STL | Andre Pallante (5-4) | #163 | vs PHI | Zack Wheeler (4-1) | #7 |
| Mon, May 18th | vs BOS | Sonny Gray (6-1) | #30 | |||
| Tue, May 19th | vs BOS | Ranger Suarez (2-3) | #32 | @ STL | Matthew Liberatore (2-3) | #114 |
| Wed, May 20th | vs BOS | Connelly Early (5-2) | #97 | @ STL | Michael McGreevy (3-4) | #86 |
| Fri, May 22nd | vs SEA | Logan Gilbert (3-4) | #11 | @ TOR | Kevin Gausman (4-3) | #19 |
| Sat, May 23rd | vs SEA | George Kirby (5-4) | #14 | @ TOR | Patrick Corbin (2-1) | #216 |
| Sun, May 24th | vs SEA | Bryan Woo (5-3) | #6 | @ TOR | Dylan Cease (3-3) | #16 |
| Mon, May 25th | vs NYY | Will Warren (6-1) | #60 | vs CHC | Ben Brown (2-2) | #52 |
| Tue, May 26th | vs NYY | Cam Schlittler (7-2) | #36 | vs CHC | Jordan Wicks (0-1) | #234 |
| Wed, May 27th | vs NYY | Gerrit Cole (1-0) | #23 | vs CHC | Jameson Taillon (2-4) | #107 |
| Fri, May 29th | @ TEX | MacKenzie Gore (4-4) | #50 | vs MIN | Taj Bradley (5-1) | #74 |
| Sat, May 30th | @ TEX | Kumar Rocker (2-5) | #103 | vs MIN | Bailey Ober (6-3) | #72 |
| Sun, May 31st | @ TEX | Jack Leiter (2-4) | #76 | vs MIN | Zebby Matthews (1-2) | #82 |
| Mon, Jun 1st | @ CIN | Chase Burns (7-1) | #25 | |||
| Tue, Jun 2nd | @ CIN | Andrew Abbott (4-3) | #99 | @ HOU | Mike Burrows (3-6) | #121 |
| Wed, Jun 3rd | @ CIN | Chris Paddack (0-7) | #324 | @ HOU | Spencer Arrighetti (7-1) | #126 |
| Thu, Jun 4th | @ MIN | Bailey Ober (6-3) | #72 | @ HOU | Kai-Wei Teng (3-3) | #181 |
| Fri, Jun 5th | @ MIN | Zebby Matthews (1-2) | #82 | @ ATL | Martin Perez (3-3) | #200 |
| Sat, Jun 6th | @ MIN | Joe Ryan (3-3) | #15 | @ ATL | Spencer Strider (3-0) | #31 |
| Sun, Jun 7th | @ MIN | Connor Prielipp (1-3) | #124 | @ ATL | Bryce Elder (4-3) | #113 |
| Tue, Jun 9th | vs TEX | Nathan Eovaldi (5-6) | #20 | vs LAD | Eric Lauer (2-5) | #264 |
| Wed, Jun 10th | vs TEX | vs LAD | ||||
| Thu, Jun 11th | vs TEX | vs LAD | ||||
| Fri, Jun 12th | vs HOU | vs MIA | ||||
| Sat, Jun 13th | vs HOU | vs MIA | ||||
| Sun, Jun 14th | vs HOU | vs MIA | ||||
| Mon, Jun 15th | @ WSH | @ ATH | ||||
| Tue, Jun 16th | @ WSH | @ ATH | ||||
| Wed, Jun 17th | @ WSH | @ ATH | ||||
| Thu, Jun 18th | vs STL | |||||
| Fri, Jun 19th | vs STL | @ COL | ||||
| Sun, Jun 21st | vs STL | @ COL | ||||
| Mon, Jun 22nd | @ TB | |||||
| Tue, Jun 23rd | @ TB | vs SEA | ||||
| Wed, Jun 24th | @ TB | vs SEA | ||||
| Thu, Jun 25th | @ TB | vs SEA | ||||
| Fri, Jun 26th | @ CWS | vs CIN | ||||
| Sat, Jun 27th | @ CWS | vs CIN | ||||
| Sun, Jun 28th | @ CWS | vs CIN | ||||
| Tue, Jun 30th | vs TB | @ PHI | ||||
| Wed, Jul 1st | vs TB | @ PHI | ||||
| Thu, Jul 2nd | vs TB | @ PHI | ||||
| Sat, Jul 4th | vs PHI | @ WSH | ||||
| Sun, Jul 5th | vs PHI | @ WSH | ||||
| Mon, Jul 6th | vs PHI | |||||
| Tue, Jul 7th | @ NYM | vs ATL | ||||
| Wed, Jul 8th | @ NYM | vs ATL | ||||
| Thu, Jul 9th | @ NYM | vs ATL | ||||
| Fri, Jul 10th | @ BAL | vs MIL | ||||
| Sat, Jul 11th | @ BAL | vs MIL | ||||
| Sun, Jul 12th | @ BAL | vs MIL | ||||
| Fri, Jul 17th | vs SD | @ CLE | ||||
| Sat, Jul 18th | vs SD | @ CLE | ||||
| Sun, Jul 19th | vs SD | @ CLE | ||||
| Mon, Jul 20th | vs SF | @ NYY | ||||
| Tue, Jul 21st | vs SF | @ NYY | ||||
| Wed, Jul 22nd | vs SF | @ NYY | ||||
| Thu, Jul 23rd | @ DET | |||||
| Fri, Jul 24th | @ DET | vs CHC | ||||
| Sat, Jul 25th | @ DET | vs CHC | ||||
| Sun, Jul 26th | @ DET | vs CHC | ||||
| Tue, Jul 28th | @ MIN | vs ARI | ||||
| Wed, Jul 29th | @ MIN | vs ARI | ||||
| Thu, Jul 30th | @ MIN | @ CIN | ||||
| Fri, Jul 31st | @ COL | @ CIN | ||||
| Sat, Aug 1st | @ COL | @ CIN | ||||
| Sun, Aug 2nd | @ COL | @ CIN | ||||
| Tue, Aug 4th | vs MIN | @ MIL | ||||
| Wed, Aug 5th | vs MIN | @ MIL | ||||
| Thu, Aug 6th | vs MIN | @ MIL | ||||
| Fri, Aug 7th | vs CHC | vs NYM | ||||
| Sat, Aug 8th | vs CHC | vs NYM | ||||
| Sun, Aug 9th | vs CHC | vs NYM | ||||
| Mon, Aug 10th | @ LAD | |||||
| Tue, Aug 11th | @ LAD | @ MIA | ||||
| Wed, Aug 12th | @ LAD | @ MIA | ||||
| Fri, Aug 14th | @ LAA | vs BOS | ||||
| Sat, Aug 15th | @ LAA | vs BOS | ||||
| Sun, Aug 16th | @ LAA | vs BOS | ||||
| Mon, Aug 17th | vs ATH | vs DET | ||||
| Tue, Aug 18th | vs ATH | vs DET | ||||
| Wed, Aug 19th | vs ATH | vs DET | ||||
| Thu, Aug 20th | vs ATH | |||||
| Fri, Aug 21st | vs DET | @ LAD | ||||
| Sat, Aug 22nd | vs DET | @ LAD | ||||
| Sun, Aug 23rd | vs DET | @ LAD | ||||
| Tue, Aug 25th | @ TOR | @ SD | ||||
| Wed, Aug 26th | @ TOR | @ SD | ||||
| Thu, Aug 27th | @ TOR | |||||
| Fri, Aug 28th | @ CLE | @ STL | ||||
| Sat, Aug 29th | @ CLE | @ STL | ||||
| Sun, Aug 30th | @ CLE | @ STL | ||||
| Tue, Sep 1st | vs MIA | vs SF | ||||
| Wed, Sep 2nd | vs MIA | vs SF | ||||
| Thu, Sep 3rd | vs MIA | vs SF | ||||
| Fri, Sep 4th | vs TOR | vs LAA | ||||
| Sat, Sep 5th | vs TOR | vs LAA | ||||
| Sun, Sep 6th | vs TOR | vs LAA | ||||
| Mon, Sep 7th | vs ARI | |||||
| Tue, Sep 8th | vs ARI | @ CWS | ||||
| Wed, Sep 9th | vs ARI | @ CWS | ||||
| Fri, Sep 11th | @ BOS | @ CHC | ||||
| Sat, Sep 12th | @ BOS | @ CHC | ||||
| Sun, Sep 13th | @ BOS | @ CHC | ||||
| Tue, Sep 15th | @ HOU | vs MIL | ||||
| Wed, Sep 16th | @ HOU | vs MIL | ||||
| Thu, Sep 17th | @ HOU | vs MIL | ||||
| Fri, Sep 18th | @ PIT | vs KC | ||||
| Sat, Sep 19th | @ PIT | vs KC | ||||
| Sun, Sep 20th | @ PIT | vs KC | ||||
| Tue, Sep 22nd | vs CWS | vs STL | ||||
| Wed, Sep 23rd | vs CWS | vs STL | ||||
| Thu, Sep 24th | vs CWS | vs STL | ||||
| Fri, Sep 25th | vs CLE | @ DET | ||||
| Sat, Sep 26th | vs CLE | @ DET | ||||
| Sun, Sep 27th | vs CLE | @ DET | ||||
| Thu, Mar 26th | @ NYM | Freddy Peralta (3-4) | #28 | |||
| Tue, Mar 31st | @ CIN | Brandon Williamson (2-3) | #370 | |||
| Fri, Apr 3rd | vs BAL | Kyle Bradish (2-6) | #43 | |||
| Mon, Apr 13th | vs WSH | Cade Cavalli (3-3) | #87 | |||
| Thu, Apr 23rd | @ TEX | Jacob deGrom (3-4) | #8 | |||
| Mon, Apr 27th | vs STL | Dustin May (3-6) | #85 | |||
| Thu, May 21st | @ STL | Dustin May (3-6) | #85 | |||
| Thu, May 28th | vs CHC | Colin Rea (5-3) | #140 | |||
| Sat, Jun 20th | @ COL | |||||
| Mon, Jun 29th | @ PHI | |||||
| Fri, Jul 3rd | @ WSH | |||||
| Mon, Jul 27th | vs ARI | |||||
| Mon, Aug 3rd | @ MIL | |||||
| Thu, Aug 13th | @ MIA | |||||
| Mon, Aug 24th | @ SD | |||||
| Thu, Sep 10th | @ CWS | |||||
