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.
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.