- Game Preview: Chicago Cubs vs Seattle Mariners
- Date: Friday, August 21, 2026
- Venue: T-Mobile Park, Seattle, WA
- Broadcast: MLB.TV
- Betting Odds: Chicago Cubs (-150) vs Seattle Mariners (+125)
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This Friday, T-Mobile Park will host an exciting matchup as the Seattle Mariners (60-67) aim to take down the Chicago Cubs (74-54). The Cubs are currently favored on the moneyline at -150, while the Mariners come in at +125. The game’s total runs are projected at 9. The starting pitchers for this matchup are Matthew Boyd and Emerson Hancock.
The Chicago Cubs have an impressive offensive record, averaging 5.1 runs per game, placing them 2nd in Major League Baseball. So far, they’ve scored 656 runs with an on-base percentage of .337. The team has hit 213 doubles and launched 164 home runs, accumulating 617 RBIs and 1,089 hits for the season, with a batting average of .248. The Cubs also own a slugging percentage of .418, with 1,100 strikeouts alongside 544 walks drawn.
On the pitching side, the Cubs have registered a team earned run average (ERA) of 4.14, ranking 17th in the league, with a total of 982 strikeouts so far. They have allowed 192 home runs and given up 556 runs (13th in the league). Their pitchers have walked 385 batters collectively, with a FIP of 4.69. This season, they have given up 1,057 hits (averaging 8.3 hits per 9 innings) and recorded 527 earned runs. The Cubs have a strikeout-to-walk ratio of 2.55, alongside a collective WHIP of 1.26.
Throughout the year, Chicago’s bullpen has seen 412 relief pitchers take the mound, with 30.9% of inherited runners scoring. The relievers have notched 47 holds, ranking 30th in MLB. Chicago’s bullpen has also encountered 129 situations with inherited runners and has participated in 123 high-leverage situations, converting 29 saves out of 49 opportunities, leading to a save rate of 59.2%.
Defensively, the Cubs have achieved 3,434 putouts, 1,203 assists, and 47 errors, resulting in a stellar fielding percentage of .990, ranking them first in all of professional baseball. They have executed 100 double plays and converted 72.0% of balls put into play into outs over 10,302 innings, placing them second in the game.
Matthew Boyd has pitched for 1,173 innings and has tallied 1,113 strikeouts throughout his career, holding an ERA of 4.53 (with 591 earned runs). His WHIP stands at 1.274, having given up 1,132 hits (8.7 hits per 9 innings) and 362 walks, with a career win-loss mark of 68-79 and a FIP of 4.47 over 4,968 batters faced in the majors.
On the flip side, the Seattle Mariners present an on-base percentage of .310 along with a seasonal batting average of .230. With 1,090 strikeouts (9th in the league) and 966 hits, they have managed to hit 145 home runs and account for 480 RBIs. The Mariners average 3.91 runs per game (30th in the league) and currently hold a slugging percentage of .377. They have also tallied 155 doubles, walked 422 times, and scored a total of 496 runs.
The Seattle pitching staff has a WHIP of 1.224 and a FIP of 3.82 for the season. They rank 17th in MLB for total hits allowed, with 1,049. Their ERA sits at 3.97 (495 earned runs surrendered), with a strikeout-to-walk ratio of 8.60 (1,076 strikeouts against 323 walks). The Mariners have conceded 142 home runs and allow 4.33 runs per 9 innings, ranking 10th in the league.
Mariners relief pitchers have inherited 125 runners, of which 30.4% have scored. Their unit has played 132 times in high-pressure situations and 89 times with men on base. In 117 save opportunities, they have secured 67 holds with 20 blown saves, yielding a save rate of 59.2%. To date, Seattle has utilized 383 relievers this year.
Defensively, the Mariners have recorded 103 double plays and maintain a fielding percentage of .985, placing them 17th in professional baseball. They have achieved 1,034 assists, committed 66 errors, and made 3,363 putouts this season. Their defensive efficiency stands at 69.3%, ranking them 24th in the league over 10,089 innings played.
In his professional career, Hancock has given up 278 hits while compiling 228 strikeouts in 290 innings pitched. With a career record of 15-16, he has an ERA of 4.16, allowing 8.6 hits per 9 innings and surrendering 134 earned runs. His WHIP is recorded at 1.251, with a FIP of 4.1, and he has a K/BB ratio of 2.68 after facing 1,216 opposing batters in the majors.
Which team will come out on top in tonight’s highly anticipated MLB game?
Prediction: Back Chicago (-150)
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