Who Should I Trade?
Isaac Mattson for Kai-Wei Teng (2026)
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Experts' Pick | ||
| Kai-Wei Teng SP,RP - HOU  | Isaac Mattson RP - PIT  | |
Expert |
100% Recommended by 1 of 1 experts |
0% Recommended by 0 of 1 experts |
| Rankings | ||
| Rest of Season | ‐ | ‐ |
| VBR | # 539 | # 709 |
| Projections | ||
| Strikeouts | 61 | 28 |
| Wins | 3 | 2 |
| Saves | 0 | 0 |
| ERA | 4.37 | 4.30 |
| WHIP | 1.44 | 1.43 |
| Misc | ||
| Injury Alert | - | MiLB |
| Expert Ranks | ||
| Kevin Spinelli KevScores | # 155 | # 406 |
| Kai-Wei Teng SP,RP - HOU | Isaac Mattson RP - PIT | |
| 2026 Stats | ||
| Games Played | 18 | 21 |
| Games Started | 5 | 0 |
| Innings Pitched | 42.0 | 19.2 |
| Wins | 3 | 0 |
| Losses | 3 | 0 |
| Saves | 0 | 0 |
| Blown Saves | 0 | 2 |
| Holds | 3 | 7 |
| Hits Allowed | 27 | 19 |
| Earned Runs | 12 | 9 |
| Home Runs Allowed | 5 | 0 |
| Strikeouts | 43 | 15 |
| Walks | 19 | 10 |
| ERA | 2.57 | 4.12 |
| WHIP | 1.10 | 1.47 |
| Kai-Wei Teng SP,RP - HOU | Isaac Mattson RP - PIT | |
| 2026 Projections | ||
| Games Played | 31 | 35 |
| Games Started | 7 | 0 |
| Innings Pitched | 61.2 | 31.6 |
| Wins | 3 | 2 |
| Losses | 3 | 2 |
| Saves | 0 | 0 |
| Blown Saves | 0 | 0 |
| Holds | 0 | 4 |
| Hits Allowed | 55 | 29 |
| Earned Runs | 30 | 15 |
| Home Runs Allowed | 8 | 4 |
| Strikeouts | 61 | 28 |
| Walks | 28 | 15 |
| ERA | 4.37 | 4.30 |
| WHIP | 1.44 | 1.43 |
| Kai-Wei Teng SP,RP - HOU | Isaac Mattson RP - PIT | |
| News | ||
| Kai-Wei Teng allowed three earned runs on three hits and four walks while striking out seven over five innings in Friday's loss to the Brewers. Chris Schommer Sat, May 30th | Isaac Mattson has been sent to Triple-A Indianapolis. Nate Miller - FantasyPros Wed, May 20th | |
| Kai-Wei Teng allowed two hits and three walks while striking out six over six scoreless innings in Saturday's 3-0 win over the Cubs. Chris Schommer Sat, May 23rd | 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 | |
| Kai-Wei Teng allowed two hits and four walks while striking out seven over five scoreless innings in Saturday's win over the Rangers. Chris Schommer Sun, May 17th | ||
| Kai-Wei Teng will start on Saturday for the Astros against the Rangers. Ari Koslow Thu, May 14th | ||
| Kai-Wei Teng allowed three earned runs on five hits and one walk while striking out one over three innings in Sunday’s loss to the Reds. Chris Schommer Mon, May 11th | ||
| Notes | ||
| There are no recent notes for these players | ||
| Kai-Wei Teng SP,RP - HOU | Isaac Mattson RP - PIT | |||||
| Date | Opp | Opp Pitcher | VBR | Opp | Opp Pitcher | VBR |
|---|---|---|---|---|---|---|
| Thu, Mar 26th | vs LAA | Jose Soriano (6-4) | #45 | @ NYM | Freddy Peralta (3-4) | #28 |
| Sat, Mar 28th | vs LAA | Reid Detmers (2-5) | #41 | @ NYM | David Peterson (3-5) | #117 |
| Sun, Mar 29th | vs LAA | Jack Kochanowicz (2-3) | #420 | @ NYM | Nolan McLean (2-4) | #29 |
| Mon, Mar 30th | vs BOS | Ranger Suarez (2-3) | #32 | @ CIN | Chase Burns (7-1) | #25 |
| Tue, Mar 31st | vs BOS | Brayan Bello (2-5) | #144 | @ CIN | Brandon Williamson (2-3) | #370 |
| Wed, Apr 1st | vs BOS | Garrett Crochet (3-3) | #9 | @ CIN | Andrew Abbott (4-3) | #99 |
| Fri, Apr 3rd | @ ATH | Jeffrey Springs (3-6) | #111 | vs BAL | Kyle Bradish (2-6) | #43 |
| Sat, Apr 4th | @ ATH | Luis Morales (0-2) | #306 | vs BAL | Shane Baz (2-5) | #84 |
| Sun, Apr 5th | @ ATH | Jacob Lopez (4-2) | #202 | vs BAL | Chris Bassitt (4-3) | #125 |
| Mon, Apr 6th | @ COL | Ryan Feltner (2-1) | #424 | vs SD | German Marquez (3-2) | #330 |
| Tue, Apr 7th | @ COL | Kyle Freeland (1-6) | #395 | vs SD | Nick Pivetta (1-2) | #138 |
| Wed, Apr 8th | @ COL | Michael Lorenzen (2-7) | #427 | vs SD | Michael King (4-4) | #35 |
| Fri, Apr 10th | @ SEA | Emerson Hancock (4-2) | #91 | @ CHC | Shota Imanaga (4-6) | #24 |
| Sat, Apr 11th | @ SEA | Luis Castillo (1-5) | #46 | @ CHC | Edward Cabrera (3-2) | #70 |
| Sun, Apr 12th | @ SEA | Logan Gilbert (3-4) | #11 | @ CHC | Jameson Taillon (2-4) | #107 |
| Mon, Apr 13th | @ SEA | George Kirby (5-4) | #14 | vs WSH | Cade Cavalli (3-3) | #87 |
| Tue, Apr 14th | vs COL | Michael Lorenzen (2-7) | #427 | vs WSH | PJ Poulin (3-0) | #237 |
| Wed, Apr 15th | vs COL | Jose Quintana (2-3) | #425 | vs WSH | Jake Irvin (2-4) | #203 |
| Thu, Apr 16th | vs COL | Juan Mejia | vs WSH | Foster Griffin (6-2) | #88 | |
| Fri, Apr 17th | vs STL | Kyle Leahy (5-3) | #162 | vs TB | Nick Martinez (5-1) | #81 |
| Sat, Apr 18th | vs STL | Andre Pallante (5-4) | #163 | vs TB | Drew Rasmussen (4-2) | #21 |
| Sun, Apr 19th | vs STL | Matthew Liberatore (2-3) | #114 | vs TB | Shane McClanahan (5-2) | #22 |
| Tue, Apr 21st | @ CLE | Parker Messick (6-1) | #51 | @ TEX | Kumar Rocker (2-5) | #103 |
| Wed, Apr 22nd | @ CLE | Tanner Bibee (0-7) | #38 | @ TEX | Jack Leiter (2-4) | #76 |
| Thu, Apr 23rd | @ TEX | Jacob deGrom (3-4) | #8 | |||
| Fri, Apr 24th | vs NYY | Will Warren (6-1) | #60 | @ MIL | Brandon Woodruff (2-1) | #56 |
| Sat, Apr 25th | vs NYY | Ryan Weathers (2-3) | #66 | @ MIL | Jacob Misiorowski (5-2) | #18 |
| Sun, Apr 26th | vs NYY | Luis Gil (1-2) | #249 | @ MIL | Kyle Harrison (6-1) | #63 |
| Mon, Apr 27th | vs STL | Dustin May (3-6) | #85 | |||
| Tue, Apr 28th | @ BAL | Shane Baz (2-5) | #84 | vs STL | Kyle Leahy (5-3) | #162 |
| Wed, Apr 29th | vs STL | Andre Pallante (5-4) | #163 | |||
| Thu, Apr 30th | @ BAL | Brandon Young (3-1) | #194 | vs STL | Hunter Dobbins (0-0) | #198 |
| Fri, May 1st | @ BOS | Jake Bennett (1-1) | #303 | vs CIN | Brady Singer (2-5) | #143 |
| Sat, May 2nd | @ BOS | Connelly Early (5-2) | #97 | vs CIN | Rhett Lowder (3-3) | #206 |
| Sun, May 3rd | @ BOS | Ranger Suarez (2-3) | #32 | vs CIN | Chase Burns (7-1) | #25 |
| Tue, May 5th | vs LAD | Shohei Ohtani (5-2) | #1 | @ ARI | Eduardo Rodriguez (5-1) | #112 |
| Wed, May 6th | vs LAD | Tyler Glasnow (3-0) | #37 | @ ARI | Michael Soroka (7-2) | #67 |
| Thu, May 7th | @ ARI | Zac Gallen (3-4) | #71 | |||
| Fri, May 8th | @ CIN | Nick Lodolo (1-1) | #58 | @ SF | Robbie Ray (3-6) | #83 |
| Sat, May 9th | @ CIN | Chase Burns (7-1) | #25 | @ SF | Landen Roupp (5-5) | #61 |
| Sun, May 10th | @ CIN | Andrew Abbott (4-3) | #99 | @ SF | Tyler Mahle (1-7) | #119 |
| Tue, May 12th | vs SEA | Bryan Woo (5-3) | #6 | vs COL | Michael Lorenzen (2-7) | #427 |
| Wed, May 13th | vs SEA | Bryce Miller (1-0) | #54 | vs COL | Jose Quintana (2-3) | #425 |
| Thu, May 14th | vs SEA | Luis Castillo (1-5) | #46 | vs COL | Chase Dollander (3-3) | #340 |
| Fri, May 15th | vs TEX | Jack Leiter (2-4) | #76 | vs PHI | Aaron Nola (3-4) | #39 |
| Sat, May 16th | vs TEX | Jacob deGrom (3-4) | #8 | vs PHI | Cristopher Sanchez (6-2) | #3 |
| Sun, May 17th | vs TEX | Nathan Eovaldi (5-6) | #20 | vs PHI | Zack Wheeler (4-1) | #7 |
| Tue, May 19th | @ MIN | Zebby Matthews (1-2) | #82 | @ STL | Matthew Liberatore (2-3) | #114 |
| Wed, May 20th | @ MIN | Joe Ryan (3-3) | #15 | @ STL | Michael McGreevy (3-4) | #86 |
| Thu, May 21st | @ STL | Dustin May (3-6) | #85 | |||
| Fri, May 22nd | @ CHC | Jameson Taillon (2-4) | #107 | @ TOR | Kevin Gausman (4-3) | #19 |
| Sat, May 23rd | @ CHC | Colin Rea (5-3) | #140 | @ TOR | Patrick Corbin (2-1) | #216 |
| Sun, May 24th | @ CHC | Shota Imanaga (4-6) | #24 | @ TOR | Dylan Cease (3-3) | #16 |
| Mon, May 25th | @ TEX | Kumar Rocker (2-5) | #103 | vs CHC | Ben Brown (2-2) | #52 |
| Tue, May 26th | @ TEX | Jack Leiter (2-4) | #76 | vs CHC | Jordan Wicks (0-1) | #234 |
| Wed, May 27th | @ TEX | Jacob deGrom (3-4) | #8 | vs CHC | Jameson Taillon (2-4) | #107 |
| Thu, May 28th | @ TEX | Nathan Eovaldi (5-6) | #20 | vs CHC | Colin Rea (5-3) | #140 |
| Fri, May 29th | vs MIL | Coleman Crow (0-0) | #197 | vs MIN | Taj Bradley (5-1) | #74 |
| Sat, May 30th | vs MIL | Brandon Sproat (1-4) | #158 | vs MIN | Bailey Ober (6-3) | #72 |
| Sun, May 31st | vs MIN | Zebby Matthews (1-2) | #82 | |||
| Tue, Jun 2nd | vs PIT | Bubba Chandler (1-6) | #122 | @ HOU | Mike Burrows (3-6) | #121 |
| Wed, Jun 3rd | vs PIT | Paul Skenes (6-5) | #2 | @ HOU | Spencer Arrighetti (7-1) | #126 |
| Thu, Jun 4th | vs PIT | Jared Jones (0-0) | #69 | @ HOU | Kai-Wei Teng (3-3) | #181 |
| Fri, Jun 5th | vs ATH | J.T. Ginn (3-3) | #127 | @ ATL | Martin Perez (3-3) | #200 |
| Sat, Jun 6th | vs ATH | Jacob Lopez (4-2) | #202 | @ ATL | Spencer Strider (3-0) | #31 |
| Sun, Jun 7th | vs ATH | Gage Jump (0-1) | #150 | @ ATL | Bryce Elder (4-3) | #113 |
| Tue, Jun 9th | @ LAA | Walbert Urena (2-4) | #421 | vs LAD | Eric Lauer (2-5) | #264 |
| Wed, Jun 10th | @ LAA | vs LAD | ||||
| Thu, Jun 11th | vs LAD | |||||
| Fri, Jun 12th | @ KC | vs MIA | ||||
| Sat, Jun 13th | @ KC | vs MIA | ||||
| Sun, Jun 14th | @ KC | vs MIA | ||||
| Mon, Jun 15th | vs DET | @ ATH | ||||
| Tue, Jun 16th | vs DET | @ ATH | ||||
| Wed, Jun 17th | vs DET | @ ATH | ||||
| Fri, Jun 19th | vs CLE | @ COL | ||||
| Sat, Jun 20th | vs CLE | @ COL | ||||
| Sun, Jun 21st | vs CLE | @ COL | ||||
| Tue, Jun 23rd | @ TOR | vs SEA | ||||
| Wed, Jun 24th | @ TOR | vs SEA | ||||
| Thu, Jun 25th | @ DET | vs SEA | ||||
| Fri, Jun 26th | @ DET | vs CIN | ||||
| Sat, Jun 27th | @ DET | vs CIN | ||||
| Sun, Jun 28th | @ DET | vs CIN | ||||
| Mon, Jun 29th | vs MIN | @ PHI | ||||
| Tue, Jun 30th | vs MIN | @ PHI | ||||
| Wed, Jul 1st | vs MIN | @ PHI | ||||
| Thu, Jul 2nd | @ PHI | |||||
| Fri, Jul 3rd | vs TB | @ WSH | ||||
| Sat, Jul 4th | vs TB | @ WSH | ||||
| Sun, Jul 5th | vs TB | @ WSH | ||||
| Tue, Jul 7th | @ WSH | vs ATL | ||||
| Wed, Jul 8th | @ WSH | vs ATL | ||||
| Thu, Jul 9th | vs ATL | |||||
| Fri, Jul 10th | @ TEX | vs MIL | ||||
| Sat, Jul 11th | @ TEX | vs MIL | ||||
| Sun, Jul 12th | @ TEX | vs MIL | ||||
| Fri, Jul 17th | vs BAL | @ CLE | ||||
| Sat, Jul 18th | vs BAL | @ CLE | ||||
| Sun, Jul 19th | vs BAL | @ CLE | ||||
| Mon, Jul 20th | vs MIA | @ NYY | ||||
| Tue, Jul 21st | vs MIA | @ NYY | ||||
| Wed, Jul 22nd | vs MIA | @ NYY | ||||
| Fri, Jul 24th | @ CWS | vs CHC | ||||
| Sat, Jul 25th | @ CWS | vs CHC | ||||
| Sun, Jul 26th | @ CWS | vs CHC | ||||
| Mon, Jul 27th | @ LAA | vs ARI | ||||
| Tue, Jul 28th | @ LAA | vs ARI | ||||
| Wed, Jul 29th | @ LAA | vs ARI | ||||
| Thu, Jul 30th | @ CIN | |||||
| Fri, Jul 31st | vs TEX | @ CIN | ||||
| Sat, Aug 1st | vs TEX | @ CIN | ||||
| Sun, Aug 2nd | vs TEX | @ CIN | ||||
| Mon, Aug 3rd | vs TOR | @ MIL | ||||
| Tue, Aug 4th | vs TOR | @ MIL | ||||
| Wed, Aug 5th | vs TOR | @ MIL | ||||
| Thu, Aug 6th | @ MIL | |||||
| Fri, Aug 7th | @ SD | vs NYM | ||||
| Sat, Aug 8th | @ SD | vs NYM | ||||
| Sun, Aug 9th | @ SD | vs NYM | ||||
| Tue, Aug 11th | @ SF | @ MIA | ||||
| Wed, Aug 12th | @ SF | @ MIA | ||||
| Thu, Aug 13th | @ MIA | |||||
| Fri, Aug 14th | vs SEA | vs BOS | ||||
| Sat, Aug 15th | vs SEA | vs BOS | ||||
| Sun, Aug 16th | vs SEA | vs BOS | ||||
| Mon, Aug 17th | vs DET | |||||
| Tue, Aug 18th | vs LAA | vs DET | ||||
| Wed, Aug 19th | vs LAA | vs DET | ||||
| Fri, Aug 21st | vs ATH | @ LAD | ||||
| Sat, Aug 22nd | vs ATH | @ LAD | ||||
| Sun, Aug 23rd | vs ATH | @ LAD | ||||
| Mon, Aug 24th | @ SD | |||||
| Tue, Aug 25th | @ NYY | @ SD | ||||
| Wed, Aug 26th | @ NYY | @ SD | ||||
| Fri, Aug 28th | @ NYM | @ STL | ||||
| Sat, Aug 29th | @ NYM | @ STL | ||||
| Sun, Aug 30th | @ NYM | @ STL | ||||
| Tue, Sep 1st | vs CWS | vs SF | ||||
| Wed, Sep 2nd | vs CWS | vs SF | ||||
| Thu, Sep 3rd | vs CWS | vs SF | ||||
| Fri, Sep 4th | vs ARI | vs LAA | ||||
| Sat, Sep 5th | vs ARI | vs LAA | ||||
| Sun, Sep 6th | vs ARI | vs LAA | ||||
| Tue, Sep 8th | @ PHI | @ CWS | ||||
| Wed, Sep 9th | @ PHI | @ CWS | ||||
| Thu, Sep 10th | @ PHI | @ CWS | ||||
| Fri, Sep 11th | @ TB | @ CHC | ||||
| Sat, Sep 12th | @ TB | @ CHC | ||||
| Sun, Sep 13th | @ TB | @ CHC | ||||
| Tue, Sep 15th | vs KC | vs MIL | ||||
| Wed, Sep 16th | vs KC | vs MIL | ||||
| Thu, Sep 17th | vs KC | vs MIL | ||||
| Fri, Sep 18th | vs ATL | vs KC | ||||
| Sat, Sep 19th | vs ATL | vs KC | ||||
| Sun, Sep 20th | vs ATL | vs KC | ||||
| Tue, Sep 22nd | @ SEA | vs STL | ||||
| Wed, Sep 23rd | @ SEA | vs STL | ||||
| Thu, Sep 24th | @ ATH | vs STL | ||||
| Fri, Sep 25th | @ ATH | @ DET | ||||
| Sat, Sep 26th | @ ATH | @ DET | ||||
| Sun, Sep 27th | @ ATH | @ DET | ||||
| Fri, Mar 27th | vs LAA | Yusei Kikuchi (0-3) | #155 | |||
| Mon, Apr 20th | @ CLE | Slade Cecconi (3-5) | #105 | |||
| Mon, May 4th | vs LAD | Yoshinobu Yamamoto (4-4) | #13 | |||
| Mon, May 11th | vs SEA | George Kirby (5-4) | #14 | |||
| Mon, May 18th | @ MIN | Kendry Rojas (1-0) | #224 | |||
| Mon, Jun 8th | @ LAA | Grayson Rodriguez (2-1) | #77 | |||
| Mon, Jun 22nd | @ TOR | |||||
| Mon, Jul 6th | @ WSH | |||||
| Mon, Aug 10th | @ SF | |||||
| Thu, Aug 20th | vs LAA | |||||
| Thu, Aug 27th | @ NYY | |||||
| Mon, Aug 31st | vs CWS | |||||
