2026 MLB Season

Home Ranked Starts Heat Check Live Upcoming Watchlist

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83.8MPH

FOUR-SEAMPITCH 1LOADING THE BOARD

2026 MLB Season

Home Ranked Starts Heat Check Live Upcoming Watchlist

Heat Check

How starting pitchers are trending. FORM: LAST 5 STARTS

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83.8MPH

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All teams ARI ATL BAL BOS CHC CWS CIN CLE COL DET HOU KC LAA LAD MIA MIL MIN NYM NYY ATH PHI PIT SD SEA SF STL TB TEX TOR WSH

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Heat Check

How starting pitchers are trending.

FORM: LAST 5 STARTSRotation rankings

Form through 2026-09-14 / latest settled 2026-09-14 pending

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Team

Seattle Mariners▾

All teams AthleticsATH Atlanta BravesATL Arizona DiamondbacksAZ Baltimore OriolesBAL Boston Red SoxBOS Chicago CubsCHC Cincinnati RedsCIN Cleveland GuardiansCLE Colorado RockiesCOL Chicago White SoxCWS Detroit TigersDET Houston AstrosHOU Kansas City RoyalsKC Los Angeles AngelsLAA Los Angeles DodgersLAD Miami MarlinsMIA Milwaukee BrewersMIL Minnesota TwinsMIN New York MetsNYM New York YankeesNYY Philadelphia PhilliesPHI Pittsburgh PiratesPIT San Diego PadresSD Seattle MarinersSEA San Francisco GiantsSF St. Louis CardinalsSTL Tampa Bay RaysTB Texas RangersTEX Toronto Blue JaysTOR Washington NationalsWSH

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Rotation rank

Staff mean Form 51.8

See full rotation board

6 qualifiedFORM: LAST 5 STARTS

2 surging1 climbing2 slipping1 freefall

Next five days

SEA probable rotation

09/15CONFIRMED

SEA @ LAA

Form 56.0

09/16CONFIRMED

SEA @ LAA

Form 49.4

09/17TBD

Opponent TBD

TBD

Form --

09/18CONFIRMED

SEA @ COL

Form 58.8

09/19CONFIRMED

SEA @ COL

Form 56.6

#1

Slipping

Bryce Miller

SEA · 5 GS

58

FORMFORM RANK #26↓ -6.8

SlippingSTARTS SATURDAY

SELL-HIGHShort outings

Last:GS+ 49 VS ATH · 5.0 IP, 2 H, 2 ER, 5 BB, 5 K

Next start: SEA @ COL 09/19

GS+ scores for last 5 starts: 63, 58, 71, 50, 49

#1

Slipping

Bryce Miller

SEA / 5 of 5 / Last GS+ 49 vs ATH / 5.0 IP, 2 H, 2 ER, 5 BB, 5 K

SEA · 5 GS

LAST: GS+ 49 VS ATH · 5.0 IP, 2 H, 2 ER, 5 BB, 5 K

Next start: SEA @ COL 09/19

Slipping

STARTS SATURDAYSELL-HIGHShort outings

GS+ scores for last 5 starts: 63, 58, 71, 50, 49

58

FormFORM RANK #26↓ -6.8

GS+ scores for last 5 starts: 63, 58, 71, 50, 49

#2

Rebounding

Logan Gilbert

SEA · 5 GS

56

FORMFORM RANK #30↓ -6.0

Slipping

#3

Climbing

Bryan Woo

SEA · 5 GS

53

FORMFORM RANK #14↑ +2.6

Climbing

#4

Climbing

George Kirby

SEA · 5 GS

49

FORMFORM RANK #94↑ +3.4

Climbing

#5

Slipping

Kade Anderson

SEA · 5 GS

49

FORMFORM RANK #180↓ -2.4

Slipping

#6

Rebounding

Emerson Hancock

SEA · 5 GS

48

FORMFORM RANK #117↓ -4.4

Slipping

2026 MLB Season

Home Ranked Starts Heat Check Live Upcoming Watchlist

STARTS TODAY

Last:GS+ 62 VS TEX · 7.0 IP, 3 H, 3 ER, 2 BB, 11 K

Next start: SEA @ LAA 09/15

GS+ scores for last 5 starts: 70, 65, 50, 33, 62

#2

Rebounding

Logan Gilbert

SEA / 5 of 5 / Last GS+ 62 vs TEX / 7.0 IP, 3 H, 3 ER, 2 BB, 11 K

SEA · 5 GS

LAST: GS+ 62 VS TEX · 7.0 IP, 3 H, 3 ER, 2 BB, 11 K

Next start: SEA @ LAA 09/15

Slipping

STARTS TODAY

GS+ scores for last 5 starts: 70, 65, 50, 33, 62

56

FormFORM RANK #30↓ -6.0

GS+ scores for last 5 starts: 70, 65, 50, 33, 62

STARTS FRIDAY

Last:GS+ 72 VS ATH · 8.0 IP, 1 H, 0 ER, 2 BB, 9 K

Next start: SEA @ COL 09/18

GS+ scores for last 5 starts: 31, 72, 36, 54, 72

#3

Climbing

Bryan Woo

SEA / 5 of 5 / Last GS+ 72 vs ATH / 8.0 IP, 1 H, 0 ER, 2 BB, 9 K

SEA · 5 GS

LAST: GS+ 72 VS ATH · 8.0 IP, 1 H, 0 ER, 2 BB, 9 K

Next start: SEA @ COL 09/18

Climbing

STARTS FRIDAY

GS+ scores for last 5 starts: 31, 72, 36, 54, 72

53

FormFORM RANK #14↑ +2.6

GS+ scores for last 5 starts: 31, 72, 36, 54, 72

STARTS WEDNESDAY

BUY-LOWGoing deeper

Last:GS+ 39 VS ATH · 6.0 IP, 9 H, 4 ER, 2 BB, 5 K

Next start: SEA @ LAA 09/16

GS+ scores for last 5 starts: 50, 51, 59, 48, 39

#4

Climbing

George Kirby

SEA / 5 of 5 / Last GS+ 39 vs ATH / 6.0 IP, 9 H, 4 ER, 2 BB, 5 K

SEA · 5 GS

LAST: GS+ 39 VS ATH · 6.0 IP, 9 H, 4 ER, 2 BB, 5 K

Next start: SEA @ LAA 09/16

Climbing

STARTS WEDNESDAYBUY-LOWGoing deeper

GS+ scores for last 5 starts: 50, 51, 59, 48, 39

49

FormFORM RANK #94↑ +3.4

GS+ scores for last 5 starts: 50, 51, 59, 48, 39

STARTS SUNDAY

Last:GS+ 41 VS LAA · 4.1 IP, 7 H, 5 ER, 0 BB, 5 K

Next start: SEA @ COL 09/20

GS+ scores for last 5 starts: 51, 50, 41, 60, 41

#5

Slipping

Kade Anderson

SEA / 5 of 5 / Last GS+ 41 vs LAA / 4.1 IP, 7 H, 5 ER, 0 BB, 5 K

SEA · 5 GS

LAST: GS+ 41 VS LAA · 4.1 IP, 7 H, 5 ER, 0 BB, 5 K

Next start: SEA @ COL 09/20

Slipping

STARTS SUNDAY

GS+ scores for last 5 starts: 51, 50, 41, 60, 41

49

FormFORM RANK #180↓ -2.4

GS+ scores for last 5 starts: 51, 50, 41, 60, 41

Short outingsGetting hit

Last:GS+ 57 VS CLE · 5.2 IP, 5 H, 1 ER, 3 BB, 6 K

Next start: TBD

GS+ scores for last 5 starts: 59, 53, 27, 44, 57

#6

Rebounding

Emerson Hancock

SEA / 5 of 5 / Last GS+ 57 vs CLE / 5.2 IP, 5 H, 1 ER, 3 BB, 6 K

SEA · 5 GS

LAST: GS+ 57 VS CLE · 5.2 IP, 5 H, 1 ER, 3 BB, 6 K

Next start: TBD

Slipping

Short outingsGetting hit

GS+ scores for last 5 starts: 59, 53, 27, 44, 57

48

FormFORM RANK #117↓ -4.4

GS+ scores for last 5 starts: 59, 53, 27, 44, 57