Sep 12, 2025; Seattle, Washington, USA; Seattle Mariners starting pitcher Luis Castillo (58) jokes with Los Angeles Angels designated hitter Mike Trout (27) during the sixth inning at T-Mobile Park. Mandatory Credit: Stephen Brashear-Imagn Images

Los Angeles Angels vs Seattle Mariners Prediction 9/13/2025 Today’s MLB Picks

Pick details

Los Angeles (69-79) vs Seattle (80-68)

September 13, 2025 at 09:40 PM EDT

The Line: Betting Odds: Seattle -1.5 — Over/Under: +7.5

(Get latest betting odds)

The Los Angeles Angels and Seattle Mariners meet Saturday in MLB action at T-Mobile Park. Here’s a Los Angeles Angels vs Seattle Mariners Prediction. This article will include a Los Angeles Angels vs Seattle Mariners Pick.

Los Angeles Angels Betting Preview

The Los Angeles Angels are 69-79 on the year and play the Brewers, Rockies, and Royals next. The Los Angeles Angels are batting .229 on the season, have a .303 OBP, and a .401 slugging percentage. The Los Angeles Angels pitching staff has a 4.79 ERA and a 1.43 WHIP. Zach Neto leads the Los Angeles Angels with 129 hits and 62 RBI, while Nolan Schanuel and Taylor Ward have combined for 243 hits and 146 RBI.

Mitch Farris gets the ball for the Los Angeles Angels, and he is 1-0 with a 2.45 ERA and 7 strikeouts this season. This will be Farris’ first career game against the Seattle Mariners.

Seattle Mariners Betting Preview

The Seattle Mariners are 80-68 on the year and play the Royals, Astros, and Rockies next. The Seattle Mariners are batting .242 on the season, have a .319 OBP, and a .413 slugging percentage. The Seattle Mariners pitching staff has a 3.94 ERA and a 1.25 WHIP. Julio Rodriguez leads the Seattle Mariners with 162 hits and 89 RBI while JP Crawford and Randy Arozarena have combined for 274 hits and 123 RBI.

Bryan Woo gets the ball for the Seattle Mariners, and he is 13-7 with a 3.02 ERA and 178 strikeouts this season. Woo is 1-0 with a 3.32 ERA and 33 strikeouts in his career against the Los Angeles Angels.

Los Angeles Angels @ Seattle Mariners Betting Trends: September 13, 2025

  • Probable Starting Pitcher: Bryan Woo      Record this season: 13-7      ERA: 3.02
  • Home Record: 9-2
  • Last 5 against Angels: 1-0

Why the Seattle Mariners will win

  • The Mariners have won 15 of their last 16 games at T-Mobile Park against teams that held a losing record.
  • The Angels have lost each of their last seven games at T-Mobile Park following a loss.
  • The Angels have failed to cover the run line in four of their last five games at T-Mobile Park following a loss.
  • The Angels have trailed after 3 innings in three of their last four night games against AL West opponents.
  • Probable Starting Pitcher: Mitch Farris      Record this season: 1-0      ERA: 2.45
  • Road Record: 1-0
  • Last 5 against Mariners: –

Why the Los Angeles Angels will win

  • The Angels have won four of their last five games as underdogs against American League opponents following a loss.
  • The Mariners have lost four of their last six games as favorites against American League opponents following a win.
  • The Mariners have failed to cover the run line in each of their last 10 games against AL West opponents following a win.
  • The Angels have covered the run line in each of their last seven games as underdogs.

Total Runs Facts

  • Five of the Angels’ last six night games after playing the previous day have gone OVER the total runs line.
  • Four of the Mariners’ last five games against American League opponents have gone OVER the total runs line.
  • The ‘Inning 1 UNDER 0.5 runs’ market has hit in each of the Angels’ last six games as road underdogs against AL West opponents.
  • The ‘Inning 1 UNDER 0.5 runs’ market has hit in each of the last four night games between the Angels and Mariners at T-Mobile Park.

Seattle Mariners Player Prop Facts

  • Cal Raleigh has hit a home run in three of the Mariners’ last four Saturday games against opponents that held a losing record.
  • Jorge Polanco has recorded at least one hit in each of the Mariners’ last nine home games.
  • Jorge Polanco has recorded at least one Double in each of the Mariners’ last six games at T-Mobile Park.
  • Cal Raleigh ranks 3rd amongst qualified players for Slugging Percentage (.573) this season.

Los Angeles Angels Player Prop Facts

  • Yoan Moncada has recorded a Double in three of the Angels’ last four games as road underdogs.
  • Jo Adell has hit a home run in three of his last four road appearances after playing the previous day.
  • Luis Rengifo has recorded at least one hit in each of the Angels’ last 10 Saturday night games against opponents that held a winning record.

Matchup/League Facts

  • The Mariners rank 3rd in the league for home runs this season (214).
  • The Mariners are one of only three teams in the league to rank top 10 in both strikeouts and walks allowed this season.
  • The Angels rank 30th in the league for walks allowed this season (570).
  • The Angels rank 29th in the league for hits this season (1127).

Los Angeles Angels vs Seattle Mariners Prediction

As I said yesterday, the Angels aren’t a team I’m trying to back this time of year. Also, as good as Farris has been, he has just 11 MLB innings under his belt. The Mariners have played themselves back in the playoff race, and they need to take advantage of games like this against lesser teams. Woo has been solid on the season and even better at home, where he has a 2.40 ERA and .174 allowed batting average in 82.2 innings. The Mariners are on fire this week, and that shouldn’t stop against the Angels.

Randy Chambers's Pick: Seattle Mariners

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