- Matchup: Chicago Cubs vs Seattle Mariners
- Date: Saturday, August 22, 2026
- Venue: T-Mobile Park, Seattle, WA
- Broadcast: MLB.TV
- Odds/Point Spread: Chicago (-152) Seattle (+126)
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The Chicago Cubs (74-54) will be visiting T-Mobile Park this Saturday, aiming to secure a victory against the Seattle Mariners (60-68). The moneyline for this matchup indicates the Cubs at -152 and the Mariners at +126. The total runs for betting is set at 8.5, with David Peterson and Bryan Woo projected to be the starting pitchers.
The Cubs boast a slugging percentage of .418, having struck out 1,100 times and drawn 544 walks. They have achieved 617 RBIs and 1,089 hits this season, maintaining a team batting average of .248. The team has recorded 213 doubles and launched 164 homers, with 656 runs scored and an on-base percentage (OBP) of .337. As a result, the Chicago Cubs are averaging 5.1 runs per game, positioning them as the 2nd highest in the league.
The Cubs have a strikeout-to-walk ratio of 2.55, and their pitching staff holds a combined WHIP of 1.26. Cubs pitchers have given up 192 home runs and 556 runs, ranking 12th in the league. With 1,057 hits allowed (8.3 per 9 innings) and 527 earned runs, the Cubs have an ERA of 4.14 (17th in the league), while striking out 982 hitters. They have issued 385 walks, with a FIP of 4.69 up to this point in the season.
Cubs relief pitchers have entered games with players on base 129 times and have made 123 appearances in high-pressure spots. They have recorded 47 holds this season, placing them 30th in MLB. The bullpen’s save percentage is 59.2%, having participated in 102 save situations, achieving 29 saves so far while failing 20 times in 49 chances. They have faced 178 inherited runners, with 30.9% scoring. Throughout the season, the Cubs have utilized 412 relief pitchers.
The team’s defensive efficiency stands at 72.0%, converting plays to outs over 10,302 innings, ranking them 2nd in the league. The Chicago Cubs have accounted for 3,434 putouts, 1,203 assists, and 47 errors, maintaining a fielding percentage of .990, which ranks them 1st in major league baseball, with a total of 100 double plays.
In his career, Peterson has pitched 690 innings, accumulating 677 strikeouts, with an ERA of 4.32 (331 earned runs allowed) and a WHIP of 1.401. He has yielded 675 hits (an average of 8.8 hits per 9 innings) while walking 292 batters and owns a career record of 40-36, with a FIP of 4.25 after facing 2,990 batters in the majors.
The Mariners hold a team slugging percentage of .375, averaging just 3.91 runs per game (30th in the league). They have recorded 156 doubles, walked 428 times, and scored 500 runs. With 145 home runs contributing to 483 RBIs, they have struck out 1,103 times (7th in the league) and registered 972 hits, resulting in an OBP of .310 and a batting average of .230 for the season.
The Seattle pitching staff has a team WHIP of 1.228 and a collective FIP of 3.82 this season. They are 19th overall in total hits allowed, having surrendered 1,060. The Mariners have given up 546 runs this year, with an overall ERA of 4.00 (502 earned runs allowed). Their strikeout-to-walk ratio stands at 8.60, striking out 1,085 batters against 326 walks. They’ve allowed 143 homers and yield 4.35 runs per 9 innings, putting them 10th in the league.
In 117 save situations, the Mariners have recorded 67 holds, along with 20 blown saves. The bullpen pitchers have appeared in 49 save opportunities, converting 29 saves. Seattle’s relief core has an inherited score percentage sitting at 29.9% from 127 inherited runners. Their relievers have stepped into 132 high-leverage scenarios and appeared on 91 occasions with runners on base. Ranking 22nd in save rate with 59.2%, Seattle has utilized 386 relievers over this campaign.
The Seattle Mariners have executed 104 double plays, maintaining a fielding percentage of .985 (17th overall). They have amassed 1,041 assists, made 66 errors, and have achieved 3,387 putouts throughout the season. With a defensive efficiency of 69.2% over 10,161 innings, they sit at 25th among MLB teams.
Woo has a career win-loss record of 37-23 with an impressive 3.44 ERA, allowing 7.2 hits per 9 innings. His strikeout-to-walk ratio is 4.85, having faced 2,137 batters in his MLB career. He has given up 204 earned runs, posting a WHIP of 1.009 and a FIP of 3.4. Throughout his professional baseball journey, Woo has yielded 429 hits and compiled 529 strikeouts over 533 innings.
Which team will triumph in tonight’s MLB game—against the spread or on the moneyline?
Prediction: Bet on Chicago (-152)
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