San Francisco Giants vs Arizona Diamondbacks Prediction, Odds and MLB Picks for Monday, 05/18/26

🔥 Win Probability

47.3%SF

52.7%ARI

Probable Pitchers

SF

Pitchers

ARI

Robbie RaySP, #38

vs

Zac GallenSP, #23

PLAYER	W-L	ERA	WHIP	IP	H	K	BB	HR
R. Ray	3-6	4.28	1.32	54.2	50	50	22	12
Z. Gallen	2-4	4.78	1.43	49.0	55	34	15	7

Team Stats

SF

ARI

Batting

.242AVG.421

.651OPS1.123

1HR2

2RBI11

8H16

2R12

0SB3

1BB2

Pitching

11.25ERA2.00

2.25WHIP1.00

0W1

1L0

3K7

2BB1

2HR1

0SV0

8.0IP9.0

Fielding

0.923FP1.000

3E0

3DP2

12A11

0PO0

Season Series

Current SeriesARI leads series 1-0

May 18

SF2

@

ARI12

Final

May 19

SF-

@

ARI-

5/19

May 20

SF-

@

ARI-

5/20

Preseason SeriesSeries tied 1-1

Mar 7

SF7

@

ARI4

Final

Mar 14

ARI8

@

SF7

Final

Regular Season SeriesARI leads series 1-0

May 18

SF2

@

ARI12

Final

May 19

SF-

@

ARI-

5/19

May 20

SF-

@

ARI-

5/20

May 25

ARI-

@

SF-

5/25

May 26

ARI-

@

SF-

5/26

May 27

ARI-

@

SF-

5/27

Jun 29

SF-

@

ARI-

6/29

Jun 30

SF-

@

ARI-

6/30

Jul 1

SF-

@

ARI-

7/1

Aug 27

ARI-

@

SF-

8/27

Aug 28

ARI-

@

SF-

8/28

Aug 29

ARI-

@

SF-

8/29

Aug 30

ARI-

@

SF-

8/30

Injury Report

ARI

Player	Pos	Injury	Return
C. Santana	1B	Right Thigh	May 18
J. McCann	C	Quadriceps	May 28
P. Smith	1B	Left Elbow	May 28
C. Mena	RP	Right Shoulder	May 31
A.J. Puk	RP	Left Elbow	Jun 14

SF

Player	Pos	Injury	Return
W. Adames	SS	Right Thumb	May 18
J. Lee	RF	Back	May 19
L. Webb	SP	Right Knee	May 24
J. Foley	RP	Right Shoulder	May 24
H. Ramos	LF	Right Quadriceps	Jun 4

Standings

2026 National League West Standings

Team	W	L	GB	STRK	PCT
San Diego	29	18	-	W4	.617
Los Angeles	29	19	0.5	L1	.604
Arizona	23	23	5.5	W2	.500
San Francisco	20	28	9.5	L1	.417
Colorado	19	29	10.5	W1	.396