PLAYOFFHOTELS
MLB · JULY 19, 2026 ● LIVE

St. Louis Cardinals at Arizona Diamondbacks

Chase Field · Phoenix, AZ

THE PICK

STL St. Louis CardinalsAWAY · 1508 ELO
@
Arizona DiamondbacksHOME · 1505 ELO ARI
47.2% WIN PROBABILITY 52.8%

The model makes Arizona Diamondbacks a 52.8% favorite — home advantage included. One game is one game: a 52.8% edge still loses 47.2 times in 100.

Prediction history

6 UPDATES

Every time the model moved this pick — logged in full. It updates until 15 minutes before gametime, then locks.

52.8% Arizona Diamondbacks ▼ -0.1
Ratings shifted on the latest results run.
52.9% Arizona Diamondbacks ▲ +0.5
Ratings shifted on the latest results run.
52.4% Arizona Diamondbacks ▲ +0.2
Ratings shifted on the latest results run.
52.2% Arizona Diamondbacks ▲ +0.5
Ratings shifted on the latest results run.
51.7% Arizona Diamondbacks ▲ +0.7
Ratings shifted on the latest results run.
OPEN
51.0% Arizona Diamondbacks OPENING LINE
First model run when the matchup posted. Elo gap of 3 points at open.

The factors

1 IN THE NUMBER

Everything the model sees for this game. Only backtest-validated signals move the probability — the rest is context, shown anyway.

PROBABLE STARTERS

Andre Pallante FIP 4.01 · ERA 3.96 · 100 IP
Eduardo Rodriguez FIP 4.11 · ERA 2.29 · 114 IP

GAME-TIME CONDITIONS · RETRACTABLE ROOF · DAY GAME

101°F DEW 55°F HUM 22% WIND 6 MPH CLOUD 95% 969 hPa

SCHEDULE & TRAVEL

STL REST 0D ARI REST 0D STL TRAVELED 0 MI

IN THE NUMBER

PITCH VARIANCE

The numbers

AWAY

St. Louis Cardinals
ELO RATING1508
RANK#13
RECORD50-45
LAST 104-6
STREAKL1

HOME

Arizona Diamondbacks
ELO RATING1505
RANK#15
RECORD49-47
LAST 106-4
STREAKW4

Ratings come from every MLB result this season — updated daily, weighted by margin of victory, with Arizona Diamondbacks getting the standard home bump. An Elo difference of 3 points plus home advantage at Chase Field produces the 52.8% call. Full methodology →

What could break the pick

St. Louis Cardinals are 4-6 over their last ten. This is a coin-flip game — the model calls it a lean, not a lock. Starting pitchers, lineup cards, and bullpen usage move real outcomes in ways a rating system can’t see.