Boston Red Sox defeat Kansas City Royals 5-1: Recap, Betting Results & AiQ Picks

Sat, Sep 12, 2026 · MLB · Kansas City Royals 1, Boston Red Sox 5

Boston defeated Kansas City 5-1 Saturday at Fenway Park, covering the -1.5 spread while the game finished under 8.5 total runs.

Kansas City Royals vs. Boston Red Sox final score and game recap

The Red Sox broke through in the fourth inning with a single run, then pulled away decisively in the sixth with two more. Boston added runs in the seventh and eighth to seal a 5-1 victory. Kansas City's lone run came in the sixth, too late to spark a comeback.

Who covered the spread in Kansas City Royals vs. Boston Red Sox?

Boston Red Sox covered the -1.5 spread, winning by four runs. The favorite needed to win by at least two and exceeded that threshold comfortably. The line held steady at -1.5 from open to close, and AiQ's spread pick matched that number, earning a WIN.

Did Kansas City Royals vs. Boston Red Sox go over or under the total?

The game went under the 8.5 total, finishing with six combined runs. Scoring was sparse across innings, never approaching the eight-run threshold. The total line remained unchanged, and AiQ's under pick was correct, resulting in a WIN.

How did AiQ's Kansas City Royals vs. Boston Red Sox predictions do?

AiQ finished 3-0 across every graded pick.

The model correctly identified Boston as the winner, the margin needed to cover, and the low-scoring nature of the contest.

Kansas City Royals vs. Boston Red Sox odds: sportsbook value and line movement

Boston's -227 moneyline price paid $44.05 on a $100 wager. AiQ's internal estimate sat at 66 percent for Boston, aligning with the market's implied probability. The best available price was -215, which represented negative expected value. While the side proved correct, the price offered no edge.

Kansas City sits at 64-82 overall, 37-35 at home and 27-47 on the road. Against the spread they are even at 58-58 in 116 games, and their over/under record stands at 57 went over, 54 finished under. Their last five results: loss, win, win, loss, loss.

Boston improves to 81-66 overall, 37-37 at home and 44-29 away. Their against-the-spread record is 56-61 in 117 games, and their over/under record stands at 54 went over, 60 finished under. Their recent five results: win, loss, loss, loss, win.

What's next for Kansas City Royals and Boston Red Sox?

The Royals travel to Houston to face the Astros on Thursday, September 17. The Red Sox head to Texas for a Thursday matchup with the Rangers, also on September 17.