Chicago White Sox versus Seattle Mariners Head-to-head history

SportsJaw’s stored game records date back to 2015. The news feed shows up to the five most recent completed meetings.

Head-to-head history

Last five meetings

Recent game recaps, recorded odds and betting results

May 20, 2026	Score	Moneyline	Run line	Game total
Chicago White SoxCHW	4	+125 L	+1.5 (-176) W	O 7.5 (-110) W U 7.5 (-110) L
Seattle MarinersSEA	5	-142 W	-1.5 (+150) L

Seattle Mariners defeated Chicago White Sox 5-4

Seattle Mariners defeated Chicago White Sox 5-4 on May 20, 2026, a 1-run decision in the series. Seattle Mariners' strongest period was the 7th inning, when it outscored its opponent 3-0. Against SportsJaw's recorded Chicago White Sox +1.5 (-176) spread, Chicago White Sox covered, while the 9 combined runs finished over the recorded total of 7.5.

Team	1	2	3	4	5	6	7	8	9	T
CHW	0	0	1	0	1	0	0	1	1	4
SEA	0	1	0	1	0	0	3	0	—	5

May 19, 2026	Score	Moneyline	Run line	Game total
Chicago White SoxCHW	2	+116 W	+1.5 (-177) W	O 8 (-110) L U 8 (-110) W
Seattle MarinersSEA	1	-133 L	-1.5 (+150) L

Chicago White Sox defeated Seattle Mariners 2-1

Chicago White Sox defeated Seattle Mariners 2-1 on May 19, 2026, a 1-run decision in the series. Chicago White Sox's strongest period was the 9th inning, when it outscored its opponent 2-0. Against SportsJaw's recorded Chicago White Sox +1.5 (-177) spread, Chicago White Sox covered, while the 3 combined runs finished under the recorded total of 8.

Team	1	2	3	4	5	6	7	8	9	T
CHW	0	0	0	0	0	0	0	0	2	2
SEA	1	0	0	0	0	0	0	0	0	1

May 18, 2026	Score	Moneyline	Run line	Game total
Chicago White SoxCHW	1	+137 L	+1.5 (-160) L	O 7 (-110) P U 7 (-110) P
Seattle MarinersSEA	6	-157 W	-1.5 (+140) W

Seattle Mariners defeated Chicago White Sox 6-1

Seattle Mariners defeated Chicago White Sox 6-1 on May 18, 2026, a 5-run decision in the series. Seattle Mariners' strongest period was the 8th inning, when it outscored its opponent 3-0. Against SportsJaw's recorded Chicago White Sox +1.5 (-160) spread, Seattle Mariners covered, while the 7 total pushed.

Team	1	2	3	4	5	6	7	8	9	T
CHW	0	0	0	0	0	0	1	0	0	1
SEA	1	0	1	0	0	1	0	3	—	6

May 10, 2026	Score	Moneyline	Run line	Game total
Seattle MarinersSEA	1	-137 L	-1.5 (+122) L	O 8 (-110) L U 8 (-110) W
Chicago White SoxCHW	2	+119 W	+1.5 (-143) W

May 9, 2026	Score	Moneyline	Run line	Game total
Seattle MarinersSEA	1	-123 L	-1.5 (+125) L	O 9.5 (-110) L U 9.5 (-110) W
Chicago White SoxCHW	6	+109 W	+1.5 (-145) W

Verified performance

Experts who know these teams

Weighted grade based on 75% profit from head-to-head bets and 25% from profits earned betting on either team.

1JamescashiolaWeighted grade67+$2,850 · 6 picks4–1 W–L · 80.0%2Steve512Weighted grade66+$935 · 7 picks4–3 W–L · 57.1%3BOBooksworstnightmareWeighted grade62+$1,317 · 9 picks6–3 W–L · 66.7%

RankHandicapperGradeProfit

4DerekFisher4–1 W–L · 80.0%61+$4,9195Dawhiz4–1 W–L · 80.0%61+$2,2916Purpleblood3–3 W–L · 50.0%58+$1,4687MikeVargas4–1 W–L · 80.0%54+$8228Covers9–5 W–L · 64.3%54+$3719JackCohen3–1 W–L · 75.0%52+$2,27410Mickeyt3–2 W–L · 60.0%51+$5941117352032314–2 W–L · 66.7%49+$57712Bluedevil3–0 W–L · 100.0%47+$3,36813Dpxsports3–1 W–L · 75.0%47+$1,27214Gustavosinto4–0 W–L · 100.0%46+$2,25615Drew_Westcott3–0 W–L · 100.0%45+$2,98616Rc3–0 W–L · 100.0%45+$1,85517Barry7132–1 W–L · 66.7%43+$1,36118Ironcladlocks2–1 W–L · 66.7%43+$1,31819Miamimike3–2 W–L · 60.0%43+$31420Captainobvious6–4 W–L · 60.0%43+$113

Expert grades weight verified head-to-head profit at 75% and profit on other games involving either team at 25%, with a confidence adjustment until ten qualifying picks are recorded.