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Chicago Cubs vs. Seattle Mariners Odds, Stats March 21, 2026

Final Score
National League Central
Mar 21st, 9:10 PM EDT
Chi. Cubs
Cubs
Seattle
Mariners
7
1
Chicago Cubs
Seattle Mariners
Scoreboard 1 2 3 4 5 6 7 8 9 R ML H E
Chicago Cubs 42-37 1 0 0 0 0 3 0 3 - 7 +140 15 2
Seattle Mariners 41-39 0 1 0 0 0 0 0 0 - 1 -165 5 0

Latest Encounters

Date Result Competition Stats Recap
06/24/26
Chi. Cubs Cubs CHC ( 42-37 )
NY Mets Mets NYM ( 34-45 )
10   -   3
 National League Central
06/23/26
Chi. Cubs Cubs CHC ( 42-37 )
NY Mets Mets NYM ( 34-45 )
9   -   6
 National League Central
06/23/26
Seattle Mariners SEA ( 41-39 )
Pittsburgh Pirates PIT ( 39-40 )
3   -   2
 American League West
06/21/26
Boston Red Sox BOS ( 32-46 )
Seattle Mariners SEA ( 41-39 )
1   -   3
 American League East
06/20/26
Boston Red Sox BOS ( 32-46 )
Seattle Mariners SEA ( 41-39 )
5   -   1
 American League East
06/20/26
Toronto Blue Jays TOR ( 39-40 )
Chi. Cubs Cubs CHC ( 42-37 )
8   -   6
 American League East
06/19/26
Boston Red Sox BOS ( 32-46 )
Seattle Mariners SEA ( 41-39 )
6   -   2
 American League East
06/19/26
Toronto Blue Jays TOR ( 39-40 )
Chi. Cubs Cubs CHC ( 42-37 )
2   -   16
 American League East
06/18/26
Baltimore Orioles BAL ( 38-44 )
Seattle Mariners SEA ( 41-39 )
0   -   3
 American League East
06/17/26
Baltimore Orioles BAL ( 38-44 )
Seattle Mariners SEA ( 41-39 )
5   -   3
 American League East
06/17/26
Colorado Rockies COL ( 32-49 )
Chi. Cubs Cubs CHC ( 42-37 )
6   -   8
 National League West
06/16/26
Colorado Rockies COL ( 32-49 )
Chi. Cubs Cubs CHC ( 42-37 )
5   -   2
 National League West

Matchup Odds

Team Runline Moneyline Over / Under
Chi. Cubs Cubs CHC
+1.5 -130 +140 U+11.50
Seattle Mariners SEA
-1.5 +110 -165 O+11.50

Betting Action

Spread Bets • 1.5
Chi. Cubs Cubs CHC
0%
Seattle Mariners SEA
0%
Totals (O/U) • 11.5
Over 0%
Under 0%
Money Bets • 140
Chi. Cubs Cubs CHC
12%
Seattle Mariners SEA
88%

Line History

time fav spread money line total
Opening 21 Mar 11:55am CHC -1.5 +145 -105 O +11.5 -110
Closing 21 Mar 11:55am CHC -1.5 +145 -105 O +11.5 -110

Line History

Team Leaders

Chi. Cubs Cubs CHC
Seattle Mariners SEA
Pete Crow-Armstrong
Center Outfield Seattle
17 HR 14
Luke Raley
Right Outfield Chi. Cubs
Justin Dean
Center Outfield Seattle
0.7 BA 0.3
Randy Arozarena
Left Outfield Chi. Cubs
Randy Arozarena
Left Outfield Chi. Cubs
19 SB 18
Pete Crow-Armstrong
Center Outfield Seattle

Matchup Details

Chi. Cubs Cubs CHC
Seattle Mariners SEA
Stat
11 Wins 10
16 Losses 17
7-3 Last 10 5-5
-8.4 Units -11.25
7-7 Wins Home 5-10
4-9 Wins Away 5-7
9-13 Covers Against Ou 12-13
8-14 Run Line Wins Losses 8-17
-8.6 Runline Units -13

Recent Meetings

date home-away ats o/u SEA:RBI SEA:Batting Average SEA:Home Runs CHC:RBI CHC:Batting Average CHC:Home Runs
03/21/2026 SEA 1 - CHC 7 CHC Under 11.5 0 .17 0 7 .38 1
03/12/2026 CHC 7 - SEA 4 CHC Under 11.5 4 .18 1 7 .32 1
06/22/2025 CHC 6 - SEA 14 SEA Over 11.5 14 .42 5 6 .28 4
06/21/2025 CHC 10 - SEA 7 CHC Over 12.5 6 .37 1 10 .27 5
06/20/2025 CHC 4 - SEA 9 SEA Over 10 9 .33 4 4 .27 2
03/08/2025 CHC 9 - SEA 8 CHC Over 10.5 8 .26 4 9 .29 4
04/14/2024 SEA 2 - CHC 3 CHC Under 7.5 2 .24 1 2 .18 1
04/13/2024 SEA 1 - CHC 4 CHC Under 7.5 4 .19 3 1 .18 0
04/12/2024 SEA 4 - CHC 2 SEA Under 7.5 1 .13 1 4 .21 0
03/24/2024 SEA 9 - CHC 9 SEA Over 13.5 9 .34 3 9 .38 2
03/08/2024 CHC 9 - SEA 5 CHC Over 0 5 .27 2 9 .29 3
04/12/2023 CHC 2 - SEA 5 SEA Under 10.5 5 .28 2 2 .16 1
04/11/2023 CHC 14 - SEA 9 CHC Over 10.5 9 .29 2 14 .45 2
04/10/2023 CHC 3 - SEA 2 CHC Under 9 2 .18 1 3 .23 0
03/06/2023 SEA 2 - CHC 6 CHC Under 10.5 5 .29 0 2 .23 1
03/30/2022 CHC 8 - SEA 5 CHC Over 11 4 .26 0 8 .35 2
03/22/2022 SEA 5 - CHC 5 SEA Under 10.5 5 .22 1 5 .24 1
03/24/2021 SEA 2 - CHC 6 CHC Under 10 5 .25 2 2 .16 1
03/03/2021 CHC 8 - SEA 8 CHC Over 0 6 .26 3 8 .31 3
date score ats o/u RBI Batting Average Home Runs
06/24/2026 NYM 3 - CHC 10 W Over 8.5 10 .26 3
06/23/2026 NYM 6 - CHC 9 W Over 8.5 9 .25 2
06/20/2026 CHC 6 - TOR 8 L Over 9 8 .26 2
06/19/2026 CHC 16 - TOR 2 W Over 7 2 .16 1
06/17/2026 CHC 8 - COL 6 W Over 10 6 .25 4
06/16/2026 CHC 2 - COL 5 L Under 10 4 .19 1
06/15/2026 CHC 5 - COL 4 W Under 9.5 4 .21 1
06/14/2026 SF 5 - CHC 1 L Under 8 0 .21 0
06/13/2026 SF 1 - CHC 6 W Under 8 5 .29 3
06/12/2026 SF 1 - CHC 5 W Under 8.5 5 .19 1
date score ats o/u RBI Batting Average Home Runs
06/23/2026 PIT 2 - SEA 3 W Under 9 1 .26 0
06/21/2026 SEA 3 - BOS 1 W Under 6.5 3 .21 1
06/20/2026 SEA 1 - BOS 5 L Under 7.5 1 .07 0
06/19/2026 SEA 2 - BOS 6 L Over 6.5 2 .07 1
06/18/2026 SEA 3 - BAL 0 W Under 7.5 3 .17 0
06/17/2026 SEA 3 - BAL 5 L Over 7.5 3 .22 2
06/16/2026 SEA 3 - BAL 1 W Under 7.5 3 .23 0
06/14/2026 WAS 10 - SEA 1 L Over 10.5 10 .37 2
06/13/2026 WAS 8 - SEA 3 L Over 9 7 .29 1
06/12/2026 WAS 2 - SEA 10 W Over 9.5 2 .14 2

Matchup Edge - Scoring Stats

Chi. Cubs Cubs CHC
Seattle Mariners SEA
avg rank edge in rank avg
5.6 10 Runs Per 9 Innings 9 5.67
0.819 9 On Base Plus Slugging 10 0.811
0.275 5 Batting Average 9 0.266
37 9 Home Runs 5 41

Odds Analysis

Team Rankings

Chi. Cubs Cubs CHC
Season stats rank
ERA 4.29 12
WHIP 1.24 24
KS 659 17
CG - -
Errors 31 6
Seattle Mariners SEA
Season stats rank
ERA 3.59 26
WHIP 1.18 27
KS 678 11
CG - -
Errors 40 18
Chi. Cubs Cubs CHC
Season stats rank
Runs / G 4.87 7
BA 0.24 16
OPS 0.74 6
HR 95 14
SB 53 16
Seattle Mariners SEA
Season stats rank
Runs / G 4.11 23
BA 0.23 27
OPS 0.7 25
HR 100 10
SB 61 10

Injuries

Chi. Cubs Cubs CHC
Seattle Mariners SEA

Chi. Cubs vs. Seattle Betting News

Chi. Cubs Cubs CHC

No posts found.
Seattle Mariners SEA

No posts found.

Chi. Cubs Vs Seattle Betting Trends

Chi. Cubs Cubs CHC

Cubs are 22-6 in their last 28 interleague games as a favorite of -201 or greater.

Under is 3-0-1 in Cubs last 4 games as a road underdog of +201 or greater.

Over is 3-1-1 in Cubs last 5 Saturday games.

Cubs are 4-1 in their last 5 games as a road favorite of -151 to -200.

Over is 3-1-1 in Cubs last 5 games with the total set at 9.0-10.5.

Seattle Mariners SEA

Mariners are 6-0 in their last 6 interleague games as a favorite of -201 or greater.

Over is 4-1 in Mariners last 5 Saturday games.

Under is 6-2 in Mariners last 8 games with the total set at 9.0-10.5.

Mariners are 1-5 in their last 6 interleague games as an underdog.

Mariners are 5-13 in their last 18 games with the total set at 11.0 or higher.

National League Standings

American League Standings

Pitchers & Umpires

Today - Overall

IP W-L ERA K BB SV TM W-L H WHIP AF AA OU
Colin Rea (-) - - - - - - 42-37 - - - - -
George Kirby (-) - - - - - - 41-39 - - - - -

Today - Last 3

IP W-L ERA K BB SV TM W-L H WHIP AF AA OU
Colin Rea (-) - - - - - - 42-37 - - - - -
George Kirby (-) - - - - - - 41-39 - - - - -
IP W-L ERA K BB SV G H R ER HR SO WHIP GB:FB
Javier Assad (-) 4.08 6-1 4.04 30 11 0 6 40 22 22 8 0 1.04 56:32
Matthew Boyd (-) 4.8 2-1 6 31 6 0 5 25 17 16 2 0 1.29 18:7
Ben Brown (-) 3.4 4-2 1.85 65 19 0 8 45 16 14 2 0 0.94 65:38
Cade Horton (-) 3.55 1-0 2.45 4 2 0 2 4 2 2 1 0 0.82 11:3
Colin Rea (-) 4.94 5-5 4.99 59 28 0 12 83 45 44 12 0 1.4 88:53
Jameson Taillon (-) 5.17 2-5 5.19 59 23 0 13 65 40 39 20 0 1.3 52:56
Edward Cabrera (-) 5.15 5-4 5.1 65 29 0 14 72 46 41 14 0 1.4 73:33
Shota Imanaga (-) 5.75 4-6 4.26 84 22 0 15 70 42 41 17 0 1.06 75:56
Grant Kipp (-) 1.42 0-1 4.91 6 1 0 0 6 4 4 2 0 0.95 7:3
Connor Noland (-) 1.67 0 1.8 6 5 0 0 5 1 1 0 0 2 5:3
Jaxon Wiggins (-) 1.55 0-1 13.5 5 1 0 0 6 5 5 0 0 2.1 1:3
Zane Mills (-) 1.37 0 2.08 2 0 0 0 4 2 1 1 0 0.92 7:3
Vince Reilly (-) 1 0 4.5 7 3 0 0 2 3 3 0 0 0.83 7:2
Walker Powell (-) 1 0 9 1 1 0 0 2 1 1 0 0 3 0:2
Brayden Spears (-) 0.1 0 0 1 0 0 0 1 0 0 0 0 1.5 0:1
Tyler Beede (-) 0.46 0 7.36 2 4 0 0 5 3 3 1 0 2.45 7:2
Vince Velasquez (-) 2.1 0 0 1 0 0 0 1 0 0 0 0 0.43 1:4
Brooks Caple (-) 1.2 0 16.2 1 0 0 0 5 3 3 1 0 3 3:0
Ty Blach (-) 3 0 0 2 0 0 0 1 0 0 0 0 0.33 4:0
Jayden Murray (-) 1 0 27 2 1 0 0 2 3 3 1 0 3 0:1
IP W-L ERA K BB SV G H R ER HR SO WHIP GB:FB
Luis Castillo (-) 4.68 2-6 5.22 69 25 0 12 74 50 41 9 0 1.4 64:41
Jhonathan Diaz (-) 1.5 1-0 0 2 0 0 0 0 0 0 0 0 0 3:3
Logan Gilbert (-) 5.81 6-4 3.29 100 22 0 16 72 34 34 14 0 1.01 66:52
Domingo Gonzalez (-) 1.44 0 4.7 5 5 0 0 9 4 4 1 0 1.83 6:7
Emerson Hancock (-) 5.67 5-4 3.6 81 19 0 15 68 34 34 12 0 1.02 72:52
George Kirby (-) 6 6-7 3.94 84 23 0 16 105 46 42 9 0 1.33 102:56
Bryce Miller (-) 5.71 3-1 1.58 43 5 0 6 23 7 7 5 0 0.7 30:23
Bryan Woo (-) 5.93 6-5 3.94 88 16 0 15 73 41 39 9 0 1 65:64
Jose A. Ferrer (-) 0.89 1-1 2.73 27 8 0 0 38 11 10 2 0 1.39 38:20
Kade Anderson (-) 2.33 1-1 6.43 9 3 0 3 7 5 5 1 0 1.43 4:3
Randy Dobnak (-) 2.02 0 11.32 8 0 0 2 19 13 13 1 0 1.84 14:3
Michael Morales (-) 1.05 0 11.57 1 4 0 0 1 3 3 0 0 2.14 2:1
Gabe Mosser (-) 2.25 1-1 9 6 4 0 1 15 9 9 2 0 2.11 7:10
Marcelo Perez (-) 0.5 0 0 2 0 0 0 0 0 0 0 0 0 1:0
Ryan Sloan (-) 1 0 0 1 0 0 0 0 0 0 0 0 0 1:1
Josh Simpson (-) 0.7 0 7.71 3 1 0 0 2 2 2 2 0 1.29 1:2
Jason Ruffcorn (-) 0.75 1-0 0 3 0 0 0 0 0 0 0 0 0 4:0
Reese Lumpkin (R) 0.53 0 15.43 2 1 0 0 4 4 4 2 0 2.14 4:0
Reid VanScoter (-) 0.67 0 4.5 4 2 0 0 0 1 1 0 0 1 2:0
Abdiel Mendoza (-) 0.2 0 0 1 0 0 0 0 0 0 0 0 0 0:0
Houston Roth (-) 0.2 0 40.5 0 1 0 0 4 3 3 1 0 7.5 0:0
Gunner Mayer (-) 0.1 0-1 81 0 1 0 0 2 3 3 2 0 9 0:0
IP W-L ERA K BB SV G H R ER HR SO WHIP GB:FB
Porter Hodge (-) 0.67 0 31.5 5 7 0 0 4 7 7 0 0 5.5 0:0
Gavin Hollowell (-) 1.07 0 4.91 2 5 0 0 3 2 2 1 0 2.18 0:5
Luke Little (-) 1 0 9 1 0 0 0 2 1 1 1 0 2 2:0
Jack Neely (-) 1 0 0 7 2 0 0 0 0 0 0 0 0.5 1:2
Daniel Palencia (-) 0.85 2-1 2.7 19 6 0 0 17 5 5 2 0 1.38 10:7
Ethan Roberts (-) 1.16 0-1 3.04 17 11 0 0 18 9 8 2 0 1.23 27:9
Jordan Wicks (-) 3.05 0-2 15.63 6 1 0 2 13 11 11 1 0 2.21 5:4
Riley Martin (-) 1.01 0 2.16 10 2 0 1 5 2 2 1 0 0.84 4:5
Hoby Milner (-) 0.95 1-0 3.38 17 8 0 0 30 13 13 3 0 1.1 40:22
Caleb Thielbar (-) 0.88 2-2 4.71 25 11 0 0 16 12 11 5 0 1.29 10:16
Ryan Rolison (-) 1.17 5-1 1.82 29 13 0 1 20 8 6 3 0 1.11 30:15
Hunter Harvey (-) 1 0-1 6.75 4 1 0 0 5 3 3 2 0 1.5 4:4
Phil Maton (-) 0.87 0-1 6.04 29 15 0 0 30 17 17 4 0 1.78 23:8
Jacob Webb (-) 0.97 1-2 3.9 39 10 0 0 34 17 14 6 0 1.36 26:23
Jeff Brigham (-) 1 0 4.5 8 4 0 0 6 5 3 2 0 1.67 5:3
Corbin Martin (-) 0.71 0 10.8 4 5 0 0 5 6 6 2 0 2 3:2
Connor Schultz (-) 1.25 0-1 10.8 2 1 0 0 11 6 6 5 0 2.4 7:4
Collin Snider (-) 1.01 1-0 1.23 10 1 0 0 4 2 1 1 0 0.68 8:2
Trent Thornton (-) 1.33 2-2 3.15 9 9 0 0 13 8 7 4 0 1.1 27:10
Charlie Barnes (-) 3 0 9 1 3 0 0 4 4 3 0 0 2.33 3:1
Ryan Jensen (-) 0.1 0 0 0 0 0 0 0 0 0 0 0 0 2:0
Evan Taylor (-) 1 0 3 3 5 0 0 2 1 1 1 0 2.33 3:1
Jackson Kirkpatrick (R) 0.4 0 21.6 3 3 0 0 2 4 4 1 0 3 0:2
Zachary Leigh (-) 0.37 0 0 1 1 0 0 0 0 0 0 0 0.75 0:3
Yacksel Rios (-) 1.2 0 0 2 0 0 0 0 0 0 0 0 0 1:1
Yenrri Rojas (R) 1.1 0 0 2 0 0 0 0 0 0 0 0 0 1:1
Luis Rujano (-) 1 0 9 0 1 0 0 1 1 1 0 0 2 1:0
Tyler Ras (-) 0.73 0 3.38 1 2 0 0 1 1 1 1 0 1.13 3:1
Dawson Netz (-) 0.55 0 20.25 0 1 0 0 2 3 3 1 0 2.25 2:1
Gabe Klobosits (-) 0.6 0 0 2 2 0 0 0 0 0 0 0 1.2 2:1
Grayson Moore (-) 0.33 0-1 54 1 5 0 0 4 6 6 1 0 9 2:0
Luis Martinez-Gomez (-) 1.1 0 0 1 0 0 0 1 0 0 0 0 0.75 1:1
Cole Reynolds (L) 1 0 9 1 0 0 0 2 1 1 1 0 2 2:0
Tyler Ferguson (-) 1.55 0 2.7 5 0 0 0 3 1 1 1 0 0.9 2:1
IP W-L ERA K BB SV G H R ER HR SO WHIP GB:FB
Eduard Bazardo (-) 0.95 3-2 2.04 32 12 0 0 33 10 8 2 0 1.27 25:25
Matt Brash (-) 0.81 3-0 0.54 15 6 0 0 8 2 1 0 0 0.84 16:4
Blas Castano (-) 1 0-1 9 3 3 0 0 4 5 5 1 0 1.4 6:1
Casey Legumina (-) 1.4 0-1 4.63 9 3 0 0 15 6 6 0 0 1.54 9:9
Andres Munoz (-) 0.91 3-4 5.08 44 13 0 0 26 17 16 4 0 1.38 21:10
Gabe Speier (-) 0.79 1-2 1.93 19 6 0 0 16 6 4 1 0 1.18 18:10
Troy Taylor (-) 0.85 0-1 13.5 5 3 0 0 9 8 8 3 0 2.25 3:3
Carlos Vargas (-) 0.9 0-2 6.48 6 3 0 0 10 7 6 1 0 1.56 12:2
Alex Hoppe (-) 1.16 0-1 5.32 25 9 0 0 19 16 13 1 0 1.27 19:8
Yosver Zulueta (-) 0.88 1-0 3.86 10 3 0 0 6 3 3 0 0 1.29 6:2
Cooper Criswell (-) 1.16 2-1 3.52 23 8 0 0 28 13 12 3 0 1.17 39:14
Charlie Beilenson (-) 0.73 0 6.75 1 0 0 0 5 3 2 1 0 1.88 3:1
Tyler Cleveland (-) 0.6 0 21 4 4 0 0 7 8 7 1 0 3.67 3:2
Nick Davila (-) 1.02 0 0 9 9 0 0 5 1 0 0 0 1.11 14:7
Dane Dunning (-) 2.03 1-0 5.68 4 5 0 1 5 4 4 0 0 1.58 6:4
Casey Lawrence (-) 2.6 0-2 8.31 13 3 0 0 18 13 12 4 0 1.62 15:5
Ryan Loutos (-) 0.75 0 18 4 0 0 0 7 7 6 1 0 2.33 4:1
Robinson Ortiz (-) 0.7 0-1 9.64 5 3 0 0 6 5 5 1 0 1.93 3:3
Michael Rucker (-) 1 0 4.5 8 1 0 0 2 2 2 2 0 0.75 3:0
Cole Wilcox (-) 1.19 0 5.4 15 12 0 0 17 8 8 1 0 2.18 13:6
Guillo Zuniga (-) 0.78 0 13.5 4 3 0 0 7 5 5 0 0 3 3:2
Peyton Alford (-) 0.47 1-0 5.79 5 2 0 0 7 3 3 0 0 1.93 5:1
Jimmy Kingsbury (-) 0.74 0 3.18 5 2 0 0 6 2 2 1 0 1.41 5:4
Ryan Hawks (-) 0.5 0 0 1 0 0 0 0 0 0 0 0 0 2:0
Stefan Raeth (-) 0.42 0 7.71 0 1 0 0 5 2 2 2 0 2.57 3:3
Nico Tellache (-) 0.5 0-1 18 1 0 0 0 4 2 2 0 0 4 1:1
Reid Easterly (L) 0.7 1-1 7.71 3 0 0 0 4 2 2 1 0 1.71 1:2
Wyatt Lunsford-Shenkman (-) 0.5 0 0 1 0 0 0 0 0 0 0 0 0 1:0
Casey Hintz (-) 0.1 0-1 108 0 2 0 0 0 4 4 0 0 6 0:0
Jose Suarez (-) 2 0 4.5 3 2 0 0 2 1 1 0 0 2 2:1
Umpire G W-L AVG PIT STR B STR% STR_ BB K/BB HR O/U
Nestor Ceja 0 0-0 0 0 0 0 0 0 0 0 0 0-0

Line Up - Last Game

Chicago Cubs
Pitchers
POS Player
Hitters
POS Player
Seattle Mariners
Pitchers
POS Player
SP Braxton Ashcraft
Hitters
POS Player
1B Spencer Horwitz
2B Brandon Lowe
LF Bryan Reynolds
3B Nick Gonzales
DH Ryan O'Hearn
C Endy Rodriguez
RF Tyler Callihan
CF Jake Mangum
SS Jared Triolo
  • CHC
  • +140 -165
  • SEA
MLB Odds