Arizona Diamondbacks vs San Francisco Giants — Prediction & Odds

August 29, 2026 · Mitch Bratt vs Yunior Marte · 63°F

1.1% edge · Arizona Diamondbacks

Arizona Diamondbacks win

55.1%

San Francisco Giants win

44.9%

Fair line (home)

+123

Proj. total

8.1

Score distribution

How often each team scores each run total across all simulations.

Arizona Diamondbacks (mean 4.40)San Francisco Giants (mean 3.70)

Totals

O/U line

Proj. total

8.1

Over

42.2%

Under

50.2%

Model vs. market

Side	Model	Book	Fair
Arizona Diamondbacks	55.1%	-122	-123
San Francisco Giants	44.9%	+113	+123

Projected starters

Starter	IP	K	H	BB	R
Mitch Bratt LHP · Arizona Diamondbacks	4.6	3.8	4.6	1.3	1.8
Yunior Marte RHP · San Francisco Giants	4.9	2.9	5.1	2.1	2.3

Strikeout ladder

Mitch Bratt4+ 54%6+ 17%8+ 3%

Yunior Marte4+ 33%6+ 7%8+ 1%

Per-game averages across all simulations. IP is a decimal average of outs recorded, not baseball's 5.2 notation. R is runs allowed while the starter was still in the game; the simulation models no errors, so every run is earned by construction — which is why this says R and not ER.

Arizona Diamondbacks — projected lines

Batter	PA	1B	2B	3B	HR	BB	K	AVG	OBP	SLG	OPS
Lars Nootbaar	4.9	.748	.210	.024	.100	.686	.754	.261	.370	.395	.765
Corbin Carroll	4.8	.643	.182	.124	.137	.567	.785	.263	.359	.466	.825
Geraldo Perdomo	4.6	.788	.160	.057	.067	.615	.450	.269	.374	.389	.763
Nolan Arenado	4.5	.739	.193	.015	.126	.377	.604	.260	.327	.406	.733
Max Kepler	4.4	.676	.199	.014	.095	.430	.700	.248	.327	.377	.704
Tim Tawa	4.3	.634	.181	.017	.109	.344	.828	.238	.304	.376	.680
James McCann	4.2	.716	.188	.008	.092	.217	.844	.254	.300	.376	.676
Ildemaro Vargas	4.1	.753	.152	.048	.050	.244	.342	.263	.314	.367	.680
Ryan Waldschmidt	4.0	.629	.171	.027	.051	.372	.863	.248	.330	.355	.685

San Francisco Giants — projected lines

Batter	PA	1B	2B	3B	HR	BB	K	AVG	OBP	SLG	OPS
Jonah Cox	4.5	.839	.153	.092	.064	.250	1.000	.270	.315	.394	.708
Rafael Devers	4.4	.594	.200	.007	.164	.528	1.019	.250	.345	.433	.777
Bryce Eldridge	4.3	.626	.189	.004	.140	.455	1.119	.250	.334	.411	.744
Jung Hoo Lee	4.2	.792	.211	.046	.062	.264	.402	.283	.334	.408	.742
Shay Whitcomb	4.1	.613	.151	.011	.119	.257	1.052	.233	.288	.372	.659
Andrew Knizner	4.0	.615	.147	.010	.079	.320	.770	.234	.306	.345	.651
Grant McCray	3.9	.521	.159	.031	.066	.319	1.055	.218	.288	.336	.623
Osleivis Basabe	3.8	.670	.170	.010	.062	.196	.557	.257	.302	.363	.665
Christian Koss	3.7	.629	.159	.011	.052	.169	.729	.247	.290	.344	.634

Data notes: home starter Yunior Marte: only 0 BF vs LHB this season · home starter Yunior Marte: only 0 BF vs RHB this season · away starter Mitch Bratt: only 45 BF vs LHB this season · 20/20 lineup+starter talents from projections