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Kai-Wei Teng or Ryne Nelson

Who Should I Start? - Week 12 • Start New
Kai-Wei Teng

Kai-Wei Teng

SPHouston Astros HOU
Ryne Nelson

Ryne Nelson

SPArizona Diamondbacks ARI
OR
🔓 EXPERT ANALYSIS

Owners starting Teng over Nelson

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook Kai-Wei Teng

Kai-Wei Teng secures rotation spot and provides strong ratios for injury-hit Astros

Teng has been a revelation for the fourth-place Astros (28-35), pitching to a stellar 2.45 ERA and 1.09 WHIP over his last 14 days with 13 strikeouts. With rotation mainstays like Cristian Javier and Hunter Brown sidelined on the injured list, Teng has firmly established himself as a solid number three starter in Houston's pitching staff.

While his current 2.76 season ERA is a massive improvement over his career 6.63 ERA from last season, some regression is likely. Our models project a 4.50 ERA and 1.38 WHIP for the rest of the season, but his high-strikeout upside of more than one strikeout per inning keeps his fantasy floor respectable even if his ratios normalize.

Looking at the week ahead, Teng takes the mound at home against the Pirates. He matches up against Jared Jones, who has struggled mightily with a 10.38 ERA, making this a highly favorable spot. Given his current form and the excellent matchup, he is a recommended lineup option. Verdict: Start.

Updated 1 day ago

Latest News Kai-Wei Teng
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🔓 EXPERT ANALYSIS

Owners starting Nelson over Teng

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook Ryne Nelson

Nelson Carries Strong Recent Ratios Into a Dangerous Matchup

Nelson has been in excellent form recently, posting a stellar 3.24 ERA and an elite 0.99 WHIP over his last 30 days. He currently slots in as the number two starter in the rotation for the third-place Diamondbacks, who hold a 32-29 record. Nelson remains healthy, though he faces a slightly depleted lineup behind him with Lourdes Gurriel Jr. sidelined.

This recent run is a massive improvement over his overall 2026 numbers, where he carries a 5.06 ERA. Our season projection expects him to settle in with a 4.19 ERA and a 1.24 WHIP over 161.0 innings. While the 30-day streak is highly encouraging, his low strikeout rate suggests some regression toward his projected mid-4.00s ERA is likely.

Looking ahead, Nelson is scheduled for a single start on June 4th at home against the division-rival Dodgers. It is a highly demanding matchup against opposing starter Justin Wrobleski, who has excelled with a 2.87 ERA this season. While our weekly model projects a strong 2.96 ERA over 7.2 innings, the powerful Dodgers offense makes him a risky play, so we recommend you Sit him.

Updated 1 day ago

Latest News Ryne Nelson
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Performance Kai-Wei Teng
Fantasy Chart Loading...

ERA W-L HLD SV SO WLK WHIP GP
6.300-100861.602
Season stats based on the past 7 days

ERA W-L HLD SV SO WLK WHIP GP
3.941-1001491.313
Season stats based on the past 14 days
Performance Ryne Nelson
Fantasy Chart Loading...

ERA W-L HLD SV SO WLK WHIP GP
4.460-100621.162
Season stats based on the past 7 days

ERA W-L HLD SV SO WLK WHIP GP
3.131-100951.143
Season stats based on the past 14 days
Next Up Own/Start Comparison
OWN/START Kai-Wei Teng
OWN
31%
+3.68 compared to last week
START
27%
+1.94 compared to last week
OWN/START Ryne Nelson
OWN
49%
-10.28 compared to last week
START
35%
+2.36 compared to last week
Next Up Consensus Rankings
Expert Consensus Kai-Wei Teng
90th
Average Ranking of Fantasy Experts
Expert Consensus Ryne Nelson
46th
Average Ranking of Fantasy Experts
Next Up Player Breakdowns
Breakdown Kai-Wei Teng

    Overview

  • Experts rank this player at 91st among SP's. Based on his stats from the past 60 days, he is currently ranked 117th.
  • The current leader among SP's is Cristopher Sanchez
  • He should be doing much better than this. You might be able to get him now for a discount.
  • Trending Pitching Stats

  • Currently ranked 120th in wins with 2
  • His average points in the past two weeks have increased by 2.5 PPG.
  • At this point in the season his numbers compared to last years: W: +3, L: +4, WHIP: +1.24, ERA: +3.26, K's: +44, Walks: +21
Breakdown Ryne Nelson

    Overview

  • Experts rank this player at 46th among SP's. Based on his stats from the past 60 days, he is currently ranked 55th.
  • The current leader among SP's is Cristopher Sanchez
  • He should be doing a bit better than this. Look for him to bounce back.
  • Trending Pitching Stats

  • Top 75 in WHIP and is currently ranked 67th with 1.22
  • Currently ranked 104th in ERA with 4.58
  • Currently ranked 170th in wins with 2
  • Top 50 in innings pitched and is currently ranked 50th with 63.0
  • His average points in the past two weeks have increased by 1.2 PPG.
  • At this point in the season his numbers compared to last years: W: EVEN, L: +3, WHIP: +0.157, ERA: +1.151, K's: +20, Walks: +10
Next Up Health Check
Injury Kai-Wei Teng

No Injury Reported

Injury Ryne Nelson

No Injury Reported

Next Up Matchup Comparison
Matchups Kai-Wei Teng
DateOpponentResult
Jun 02VS PITBubba ChandlerL 6-10
Jun 03VS PITAJ BlubaughW 11-9
Jun 04VS PITJared JonesL 1-5
Jun 05VS ATHJack Perkins
Jun 06VS ATHKade Morris
Jun 07VS ATHGage Jump
ERA W-L HLD SV SO WLK WHIP GP
5.070-100421.552
Season stats based on this weeks opponents
Matchups Ryne Nelson
DateOpponentResult
Jun 01VS LADTaylor ClarkeW 4-1
Jun 02VS LADBlake TreinenL 5-6
Jun 03VS LADShohei OhtaniL 0-7
Jun 04VS LADPaul SewaldW 3-2
Jun 05VS WASFoster Griffin
Jun 06VS WASZack Littell
Jun 07VS WASCade Cavalli
ERA W-L HLD SV SO WLK WHIP GP
4.820-000751.072
Season stats based on this weeks opponents
Next Up Ratings Comparison
Rating Kai-Wei Teng
8.93
FantasySP Player Rating
Rating Ryne Nelson
10.17
FantasySP Player Rating
Next Up Career Comparison
Career Kai-Wei Teng
YEAR TM APP INN PC K WLK SV W-L ERA WHIP K/9 PTS
2024 SF 4 11.0 204 7 8 0 0-0 9.82 2.09 5.7 6
2025 SF 8 29.2 573 39 17 0 2-4 6.37 1.55 11.8 44
2026 HOU 19 44.2 759 44 21 0 3-4 3.22 1.23 8.9 93
ON PACE 48 112 1921 111 53 0 7-10 3.22 1.23 8.9 234
3-YEAR AVG 6 19 389 23 13 0 1-2 7.52 1.72 10.2 25
Career 31 83.0 1536 90 46 0 0-0 5.31 1.49 9.8
Career Ryne Nelson
YEAR TM APP INN PC K WLK SV W-L ERA WHIP K/9 PTS
2022 ARI 3 19.0 253 16 6 0 1-1 1.42 0.79 7.6 48
2023 ARI 32 145.2 2468 103 47 0 8-8 5.5 1.48 6.4 228
2024 ARI 28 146.0 2406 126 34 1 10-6 4.38 1.29 7.8 323
2025 ARI 33 151.2 2466 132 41 1 7-3 3.44 1.09 7.8 358
2026 ARI 13 70.0 1115 55 21 0 2-4 4.76 1.21 7.1 125
ON PACE 33 183 2913 143 54 0 5-10 4.76 1.21 7.1 327
3-YEAR AVG 31 147 2447 120 41 1 8-6 4.47 1.29 7.4 303
Career 109 530.0 8708 432 149 0 0-0 4.38 1.26 7.3
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RECENT DECISIONS

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Matchups

Week 1
ARI @LAC
ATL @PIT
BAL @IND
BUF @HOU
CAR vs CHI
CIN vs TB
CLE @JAC
DAL @NYG
DEN @KC
DET vs NO
GB @MIN
LAR vs SF
LV vs MIA
NE @SEA
NYJ @TEN
PHI vs WAS
Matchup Time Pitchers
ARI vs WAS 09:40 EDT EST Merrill Kelly
Foster Griffin
ATH @HOU 08:10 EDT EST Jack Perkins
Peter Lambert
ATL vs PIT 07:15 EDT EST Martin Perez
Mitch Keller
BAL @TOR 07:07 EDT EST Brandon Young
Trey Yesavage
BOS @NYY 07:05 EDT EST Sonny Gray
Ryan Weathers
CHC vs SF 02:20 EDT EST Edward Cabrera
Robbie Ray
CHW @PHI 06:40 EDT EST Anthony Kay
Jesus Luzardo
CIN @STL 08:15 EDT EST Brady Singer
Kyle Leahy
CLE @TEX 08:15 EDT EST Parker Messick
Kumar Rocker
COL vs MIL 08:40 EDT EST Ryan Feltner
Brandon Sproat
DET vs SEA 06:40 EDT EST Framber Valdez
Bryan Woo
KC @MIN 08:15 EDT EST Michael Wacha
Zebby Matthews
LAA @LAD 10:10 EDT EST Reid Detmers
Roki Sasaki
MIA vs TB 07:10 EDT EST Ryan Gusto
Drew Rasmussen
NYM @SD 09:40 EDT EST Christian Scott
Michael King
Matchup Time
NY @SA 8:30 PM EST
Matchup Time
No games scheduled