SPOTTER.
You have to decide based on everything. Here's everything — graded.

Miami Marlins @ Arizona Diamondbacks

Thu 9/17 · 8:40 PM CDT · Chase Field
THE EDGE
C-grade Under 9 (full-game total) — model vs market gap 7 points. The fired signals' value is timing — the close absorbs them. Umpire Chris Segal (confirmed).
CONTEXT CHIPS — TOTAL
STARTERS K% / BB%PRICED
Merrill Kelly 15.5/10.2 · Ryan Gusto 18.1/8.1
MARKET ANCHORPRICED
tonight's line 9.0 vs 9 typical at Chase Field this season
LINEUP K% (LAST 30)PRICED
home 20.5 · away 23.0
BULLPEN AVAILABILITY (NOT QUALITY)PRICED
home 205p/3d (b2b 3) · away 283p/3d (b2b 3) · recent arms: Brandyn Garcia, Cade Gibson, Calvin Faucher, Dax Fulton
CONTEXT CHIPS — FIRST 5
STARTERS K% / BB%PRICED
Merrill Kelly 15.5/10.2 · Ryan Gusto 18.1/8.1
MARKET ANCHORPRICED
tonight's line 5.0 vs 5 typical at Chase Field this season
LINEUP K% (LAST 30)PRICED
home 20.5 · away 23.0
F5 excludes the bullpen — that's why this market isolates the starters.
CAUTIONS — WHAT CUTS AGAINST THIS
Retractable roof — reported closed before first pitch, entered by hand, not measured.
The f5_total line has moved +0.5 since the grade (anchor 5).
The total line has moved -0.5 since the grade toward the graded side (anchor 9).
Everything on this card is in the price. The grade is the model's read of how the priced pieces combine.
MIA
4
BOT 9 · 3 OUT
B S OUT
updated 2026-09-17T04:34:27Z ·
AZ
3
AT BAT
Ketel Marte
season line pending
PITCHING
Sandy Alcantara
no pitch data yet
STRIKE ZONE · THIS AT-BAT
no pitches yet this at-bat
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MIA0220000004
AZ0100100103
auto-refreshes while live · display only — grades never change in-game
Miami Marlins4Arizona Diamondbacks3FINAL
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MIA0220000004
AZ0100100103
HOW THE GRADED MARKETS LANDED
no lean First-5-innings Under 5.0 · landed 6 · LOST
C Under 9.0 runs · landed 7 · WON
TOTAL · UNDER 9.0 RUNS
C
C cards like this have won 52% under · market 52%
FIRST 5 INNINGS
no lean
model 52% under · market 51%