San Francisco Giants vs Cleveland Guardians — Prediction & Odds

August 19, 2026 · Matt Wilkinson vs Parker Messick · 78°F

10.3% edge · San Francisco Giants

San Francisco Giants win

44.2%

Cleveland Guardians win

55.8%

Fair line (home)

-126

Proj. total

8.11

Score distribution

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

San Francisco Giants (mean 3.89)Cleveland Guardians (mean 4.22)

Totals

O/U line

7.5

Proj. total

8.11

Over

50.1%

Under

49.9%

Model vs. market

Side	Model	Book	Fair
San Francisco Giants	44.2%	+189	+126
Cleveland Guardians	55.8%	-208	-126

Projected starters

Starter	IP	K	H	BB	R
Matt Wilkinson LHP · San Francisco Giants	4.9	3.4	5.1	2.0	2.2
Parker Messick LHP · Cleveland Guardians	5.5	5.4	5.4	1.6	2.2

Strikeout ladder

Matt Wilkinson4+ 44%6+ 12%8+ 2%

Parker Messick4+ 80%6+ 45%8+ 16%

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.

San Francisco Giants — projected lines

Batter	PA	1B	2B	3B	HR	BB	K	AVG	OBP	SLG	OPS
Jonah Cox	4.7	.857	.143	.091	.069	.244	1.207	.261	.304	.380	.684
Rafael Devers	4.6	.589	.198	.008	.191	.519	1.238	.243	.334	.438	.772
Willy Adames	4.5	.578	.182	.011	.156	.436	1.203	.230	.309	.396	.704
Bryce Eldridge	4.4	.603	.177	.004	.162	.426	1.321	.240	.319	.410	.729
Victor Bericoto	4.3	.702	.150	.021	.130	.232	1.068	.248	.293	.392	.685
Jung Hoo Lee	4.2	.774	.196	.040	.070	.268	.468	.279	.332	.404	.736
Osleivis Basabe	4.1	.689	.174	.013	.075	.209	.726	.248	.294	.359	.653
Drew Cavanaugh	4.0	.556	.146	.007	.073	.370	1.179	.222	.307	.330	.638
Christian Koss	3.9	.638	.163	.010	.062	.167	.902	.240	.282	.342	.623

Cleveland Guardians — projected lines

Batter	PA	1B	2B	3B	HR	BB	K	AVG	OBP	SLG	OPS
Steven Kwan	4.6	.926	.190	.018	.060	.521	.363	.293	.377	.392	.770
José Ramírez	4.5	.732	.214	.011	.165	.473	.454	.280	.360	.462	.822
Nathaniel Lowe	4.4	.720	.171	.009	.132	.539	.910	.268	.362	.420	.782
Angel Martínez	4.3	.687	.203	.013	.112	.220	.787	.253	.301	.393	.695
Travis Bazzana	4.2	.630	.182	.031	.087	.512	.854	.255	.353	.393	.746
Angel Genao	4.1	.763	.185	.017	.073	.323	.648	.277	.340	.394	.734
Petey Halpin	4.0	.632	.163	.036	.082	.277	.847	.248	.305	.378	.683
Austin Hedges	3.9	.593	.119	.006	.086	.358	.738	.232	.310	.344	.654
Brayan Rocchio	3.8	.634	.160	.017	.072	.291	.518	.260	.330	.381	.711

Data notes: away starter Matt Wilkinson: only 0 BF vs LHB this season · away starter Matt Wilkinson: only 0 BF vs RHB this season · 20/20 lineup+starter talents from projections