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Kai-Wei Teng or Keider Montero

Who Should I Start? - Week 15 • Start New
Kai-Wei Teng

Kai-Wei Teng

SPHouston Astros HOU
Keider Montero

Keider Montero

SPDetroit Tigers DET
OR
🔓 EXPERT ANALYSIS

Owners starting Teng over Montero

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook Kai-Wei Teng

Velocity drops and extreme ratio inflation make Teng a risky option despite locked-in rotation security

Teng has struggled mightily of late, posting a disastrous 10.41 ERA and 2.23 WHIP over his last 12.1 innings, culminating in a rough outing against Detroit where his fastball velocity dipped. Despite these struggles, Houston's depleted rotation—with Cristian Javier and Lance McCullers Jr. sidelined—solidifies his role as the team's number three starter. His job security is safe for now, but the fourth-place Astros need him to find his form quickly to help turn around their 35-41 season.

While Teng's recent performance has been highly volatile, our models project him to settle in closer to a 4.50 ERA and 1.38 WHIP over the rest of the year. His high-strikeout upside remains his primary appeal, but the elevated walk rates seen in his recent stretch are a major red flag. Expecting some positive regression toward his career 4.56 ERA is reasonable, but he remains a volatile asset until his velocity rebounds.

Looking at the remaining matchups for the week, Teng is slated for a Sunday start at home against the Guardians and Slade Cecconi. While Cleveland's lineup poses a challenge, Cecconi's elevated 4.74 ERA offers a decent matchup if Teng can regain his command. However, given his current velocity concerns and recent blowups, the smart play is to Sit him this week.

Updated 2 days ago

Latest News Kai-Wei Teng
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🔓 EXPERT ANALYSIS

Owners starting Montero over Teng

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook Keider Montero

Montero shows flashes of growth despite recent short outing, but fantasy managers should bench him for the remainder of the week.

Keider Montero has stabilized a depleted Detroit rotation, slotting in as the fourth starter while teammates Jack Flaherty and Reese Olson are on the injured list. Over his last 30 days, the 25-year-old has posted a solid 3.80 ERA and 1.09 WHIP. He remains a bright spot for a fourth-place Tigers team currently holding a 30-44 record.

Montero's 3.80 ERA over 71.1 innings this season marks a major step forward from his career norms. While our models project some regression toward a 4.50 ERA rest-of-season, his improved control and 1.05 WHIP suggest his growth as a rotation weapon is legitimate.

Having already completed his turn on June 16 in a rough, short outing against Houston, Montero has no remaining starts scheduled this week. Fantasy managers can safely leave him on the bench while Detroit hosts the White Sox. Verdict: Sit.

Updated 2 days ago

Latest News Keider Montero
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Performance Kai-Wei Teng
Fantasy Chart Loading...

ERA W-L HLD SV SO WLK WHIP GP
14.520-100922.581
Season stats based on the past 7 days

ERA W-L HLD SV SO WLK WHIP GP
12.680-2001452.542
Season stats based on the past 14 days
Performance Keider Montero
Fantasy Chart Loading...

ERA W-L HLD SV SO WLK WHIP GP
8.180-100201.821
Season stats based on the past 7 days

ERA W-L HLD SV SO WLK WHIP GP
1.251-100610.972
Season stats based on the past 14 days
Next Up Own/Start Comparison
OWN/START Kai-Wei Teng
OWN
12%
+0.95 compared to last week
START
 
9%
+3.66 compared to last week
OWN/START Keider Montero
OWN
22%
+1.72 compared to last week
START
17%
+6.37 compared to last week
Next Up Consensus Rankings
Expert Consensus Kai-Wei Teng
120th
Average Ranking of Fantasy Experts
Expert Consensus Keider Montero
Not Ranked
Average Ranking of Fantasy Experts
Next Up Player Breakdowns
Breakdown Kai-Wei Teng

    Overview

  • Experts rank this player at 120th among SP's. Based on his stats from the past 60 days, he is currently ranked 209th.
  • The current leader among SP's is Jacob Misiorowski
  • He is doing dreadful lately. If he is star player then he should rebound.
  • Trending Pitching Stats

  • Currently ranked 152nd in wins with 2
  • Slight decline in numbers lately at 2 PPG.
  • At this point in the season his numbers compared to last years: W: +3, L: +6, WHIP: +1.4, ERA: +4.5, K's: +58, Walks: +26
Breakdown Keider Montero

    Overview

  • Experts don't even rank him among SP's. Based on his stats from the past 60 days, he is currently ranked 72nd.
  • The current leader among SP's is Jacob Misiorowski
  • Trending Pitching Stats

  • Top 50 in WHIP and is currently ranked 37th with 1.11
  • Top 75 in ERA and is currently ranked 64th with 3.93
  • Top 100 in walks and is currently ranked 87th with 15
  • Currently ranked 147th in wins with 2
  • Slight decline in numbers lately at 1.6 PPG.
  • At this point in the season his numbers compared to last years: W: EVEN, L: +4, WHIP: -0.397, ERA: -0.374, K's: +11, Walks: -3
Next Up Health Check
Injury Kai-Wei Teng

No Injury Reported

Injury Keider Montero

No Injury Reported

Next Up Matchup Comparison
Matchups Kai-Wei Teng
DateOpponentResult
Jun 15VS DETKyle FinneganL 3-9
Jun 16VS DETBryan KingW 4-2
Jun 17VS DETPeter LambertW 4-2
Jun 19VS CLETatsuya ImaiW 9-3
Jun 20VS CLEJoey CantilloL 1-8
Jun 21VS CLESlade Cecconi
ERA W-L HLD SV SO WLK WHIP GP
7.500-1101131.502
Season stats based on this weeks opponents
Matchups Keider Montero
DateOpponentResult
Jun 15@HOUKyle FinneganW 3-9
Jun 16@HOUBryan KingL 4-2
Jun 17@HOUPeter LambertL 4-2
Jun 19VS CHWDrew AndersonW 4-3
Jun 20VS CHWTroy MeltonW 4-1
Jun 21VS CHWDavis Martin
ERA W-L HLD SV SO WLK WHIP GP
1.270-100600.562
Season stats based on this weeks opponents
Next Up Ratings Comparison
Rating Kai-Wei Teng
7.01
FantasySP Player Rating
Rating Keider Montero
7.87
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 21 52.0 933 58 26 0 3-6 4.5 1.4 10 92
ON PACE 43 108 1937 120 54 0 6-12 4.5 1.4 10 191
3-YEAR AVG 6 19 389 23 13 0 1-2 7.52 1.72 10.2 25
Career 33 90.1 1710 104 51 0 0-0 5.88 1.57 10.4
Career Keider Montero
YEAR TM APP INN PC K WLK SV W-L ERA WHIP K/9 PTS
2024 DET 21 99.0 1570 80 31 0 6-6 4.73 1.33 7.3 182
2025 DET 23 93.2 1548 74 33 1 5-3 4.23 1.38 7.1 179
2026 DET 14 71.1 1070 50 17 0 3-5 3.79 1.05 6.3 135
ON PACE 29 152 2280 106 36 0 6-10 3.79 1.05 6.3 287
3-YEAR AVG 22 96 1559 77 32 1 6-5 4.42 1.34 7.1 180
Career 58 264.0 4188 204 81 0 0-0 4.3 1.27 7
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Player News

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 MIN 03:15 EDT EST Jose Cabrera
Mike Paredes
ATH vs LAA 04:05 EDT EST Jack Perkins
Reid Detmers
ATL vs MIL 01:35 EDT EST Bryce Elder
Robert Gasser
BAL @LAD 04:10 EDT EST Brandon Young
Emmet Sheehan
BOS @SEA 04:10 EDT EST Payton Tolle
Logan Gilbert
CHC vs TOR 02:20 EDT EST Shota Imanaga
Dylan Cease
CHW @DET 01:40 EDT EST Davis Martin
Keider Montero
CIN @NYY 01:35 EDT EST Chase Burns
Elmer Rodriguez
CLE @HOU 02:10 EDT EST Slade Cecconi
Kai-Wei Teng
COL vs PIT 03:10 EDT EST Michael Lorenzen
Jared Jones
KC vs STL 02:10 EDT EST Stephen Kolek
Dustin May
MIA vs SF 01:40 EDT EST Ryan Gusto
Logan Webb
NYM @PHI 07:20 EDT EST David Peterson
Zack Wheeler
SD @TEX 02:35 EDT EST Lucas Giolito
Nathan Eovaldi
TB vs WAS 01:40 EDT EST Nick Martinez
Andrew Alvarez
Matchup Time
No games scheduled
Matchup Time
No games scheduled