ANAHEIM, Calif. (Interstat) — Reid Detmers struck out eight over six innings, and Jose Siri and Denzer Guzman each drove in two runs as the Los Angeles Angels defeated the Seattle Mariners 6-4 on Monday night at Angel Stadium of Anaheim.

Detmers allowed three runs on seven hits and a walk while improving to 6-8. The Angels’ right-hander got support from a bullpen that did not allow a hit over the final three innings. Ryan Watson pitched 1 1/3 scoreless innings with two strikeouts, and Ben Joyce worked the ninth for his fifth save. Joyce walked two batters before retiring J.P. Crawford on a lineout to first base to end it.

The loss dropped Seattle to 70-81 and left the Mariners 5 1/2 games behind AL West-leading Houston with 11 games remaining. Los Angeles improved to 57-93. The game took 2 hours, 29 minutes and was played before an announced crowd of 28,311.

Seattle had a chance in the first inning. Crawford singled, and Randy Arozarena doubled, but Crawford was thrown out at home on a relay from center fielder Siri to shortstop Zach Neto to catcher Travis d’Arnaud. Arozarena stole third, but Dominic Canzone and Cal Raleigh struck out to end the threat.

The Angels grabbed control in the bottom half. Mike Trout singled, and Siri doubled him home. Siri then scored on a sacrifice fly by Vaughn Grissom. In the third, Wade Meckler singled and scored on Neto’s triple. Siri followed with a single that scored Neto, pushing the lead to four runs.

Seattle answered in the fourth. Arozarena and Canzone singled in front of Raleigh, who hit a three-run homer to right-center field. The blast, Raleigh’s 22nd of the season, cut the Angels’ lead to one run. Julio Rodriguez lined out sharply, Josh Naylor lined out, and Michael Arroyo singled before Cole Young struck out.

Los Angeles rebuilt its cushion in the fifth. Neto singled, Siri singled and Grissom walked to load the bases. Guzman then lined a sharp single to center field that scored Neto and Siri, giving the Angels a three-run advantage. Christian Moore struck out and d’Arnaud struck out to end the inning, but the damage was done.

Kade Anderson retired the Angels in order in the second, getting Guzman to pop out before d’Arnaud and Kyren Paris grounded out. Seattle went down in order in the third on a groundout by Young and strikeouts by Weston Wilson and Crawford. The Angels then added two more in the third when Meckler singled, Neto tripled and Siri singled. Grissom singled and Moore struck out before Guzman flew out to center.

Seattle threatened in the fifth when Wilson singled, but Crawford flew out, Arozarena grounded out and Canzone grounded out. In the sixth, Raleigh struck out, Rodriguez walked, Naylor flew out and Arroyo struck out. Los Angeles went down in order in the second, fourth and sixth, with Anderson and Rucker keeping the Mariners within reach.

Crawford brought Seattle closer in the seventh with a home run to right-center, his 12th of the season. The Mariners could not muster another rally. Joyce entered in the ninth and walked Lazaro Montes and Taylor Ward, but Crawford lined out to first baseman Grissom for the final out.

Detmers finished with six innings pitched, seven hits allowed, three earned runs, one walk and eight strikeouts. Kade Anderson took the loss for Seattle, allowing five earned runs on seven hits over 4 1/3 innings. He struck out five. Michael Rucker pitched two hitless innings in relief for Seattle, and Eduard Bazardo added a hitless inning.

Siri went 3 for 4 with two RBIs for Los Angeles. Guzman drove in two runs, and Neto went 2 for 4 with an RBI. Trout scored twice. For Seattle, Raleigh went 1 for 4 with a home run and three RBIs. Crawford went 2 for 5 with a home run and an RBI. Arozarena doubled and stole a base.

Seattle finished with eight hits, while the Angels had nine. Seattle’s pitchers combined for 16 strikes, 40 balls and 16 balls in play. Los Angeles’ pitchers combined for 14 strikes, 44 balls and 14 balls in play.

The Angels’ pitching staff held Seattle to one hit over the final three innings after Crawford’s homer. Watson and Joyce combined for 2 1/3 hitless innings. Joyce issued two walks but stranded both runners when Crawford’s line drive found Grissom. The Mariners left runners in scoring position in the fifth and ninth.

Los Angeles scored twice in the first, twice in the third and twice in the fifth. Seattle scored three times in the fourth and once in the seventh. The Angels’ defense turned a double play in the seventh when Grissom grounded into a third-to-second-to-first double play that erased Trout at second.

In the eighth, Seattle went down in order. Canzone struck out, Raleigh lined out, and Rodriguez was called out on strikes after a pitch-result challenge confirmed the call. The Angels went down in order in the eighth on a flyout by Moore, a groundout by Guzman and a lineout by d’Arnaud.

In the ninth, Naylor grounded out sharply before Montes and Ward walked. Young flew out to center, bringing Crawford to the plate. Crawford lined out to first, ending the game.

The teams continue their series Tuesday and Wednesday at Angel Stadium of Anaheim. Seattle then travels to Colorado for a weekend series, while the Angels host Minnesota. Seattle had won four of the six previous meetings between the teams this season, including a 1-0 victory at Seattle on July 2. The Angels’ last home win in the series came on April 5. The Mariners entered the game after a loss at on Sunday, and the Angels had lost three straight at Washington, including two one-run defeats and a 10-inning loss.

Interstat’s game simulator had projected a final score of Seattle 5, Los Angeles 3. Interstat’s ELO system gave Seattle a 55.7 percent probability to win. Seattle was installed as the pregame favorite with a spread of -1.5. The over/under line was 8, and the combined score of 10 finished over it.