Seattle Mariners vs Philadelphia Phillies Prediction & Picks - MLB

USA - MLB

Seattle Mariners
8/18/25 18:45
Philadelphia Phillies

Prediction:

 

The Phillies will win

-105
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 by Lou Aguila | in MLB Picks

Sporting a 1-4 record in their last five games, the Seattle Mariners opened as surprising -115 favorites in Game 1 of their three-game series with the Philadelphia Phillies on Monday at Citizens Bank Park.

The Mariners have lost the last two of their three-game series with the New York Mets, dropping to 1-4 in their last five games and 68-57 in the season. Seattle would have overtaken the Houston Astros for the No.1 spot in the AL West had they swept the Mets. Instead, the Mariners found themselves 1.5 games behind the 69-55 Astros in the division standings.

The Phillies outgunned the Washington Nationals 11-9 in Game 4 to salvage a 2-2 tie in their four-game series over the weekend. It might not be a convincing win over the worst team in the NL East, but scoring 11 runs in a single game is a good sign for the Phillies, who barely averaged three runs a game in the last five games before Sunday’s ballgame.

Seattle Mariners vs Philadelphia Phillies Form

Table

Teams % P W L
3
Philadelphia Phillies
Philadelphia Phillies
0.579 126 73 53
11
Seattle Mariners
Seattle Mariners
0.535 127 68 59

Seattle Mariners and Philadelphia Phillies Latest Matches

Seattle Mariners
Seattle Mariners Latest matches
W L L W L L
Victories

2/6 (33%)

Defeats

4/6 (67%)

Aug 17, 2025 - MLB

Seattle Mariners
3 :  7
New York Mets

Aug 16, 2025 - MLB

Seattle Mariners
1 :  3
New York Mets

Aug 15, 2025 - MLB

Seattle Mariners
11 :  9
New York Mets

Aug 14, 2025 - MLB

Seattle Mariners
3 :  5
Baltimore Orioles

Aug 13, 2025 - MLB

Seattle Mariners
3 :  4
Baltimore Orioles

Aug 12, 2025 - MLB

Seattle Mariners
1 :  0
Baltimore Orioles
W W W W W W
Victories

6/6 (100%)

Defeats

0/6 (0%)

Aug 10, 2025 - MLB

Tampa Bay Rays
3 :  6
Seattle Mariners

Aug 9, 2025 - MLB

Tampa Bay Rays
4 :  7
Seattle Mariners

Aug 8, 2025 - MLB

Tampa Bay Rays
2 :  3
Seattle Mariners

Aug 7, 2025 - MLB

Chicago White Sox
3 :  4
Seattle Mariners

Aug 6, 2025 - MLB

Chicago White Sox
6 :  8
Seattle Mariners

Aug 5, 2025 - MLB

Chicago White Sox
3 :  8
Seattle Mariners
W L L W L L
Victories

2/6 (33%)

Defeats

4/6 (67%)

Aug 17, 2025 - MLB

Seattle Mariners
3 :  7
New York Mets

Aug 16, 2025 - MLB

Seattle Mariners
1 :  3
New York Mets

Aug 15, 2025 - MLB

Seattle Mariners
11 :  9
New York Mets

Aug 14, 2025 - MLB

Seattle Mariners
3 :  5
Baltimore Orioles

Aug 13, 2025 - MLB

Seattle Mariners
3 :  4
Baltimore Orioles

Aug 12, 2025 - MLB

Seattle Mariners
1 :  0
Baltimore Orioles
Philadelphia Phillies
Philadelphia Phillies Latest matches
L L L W L W
Victories

2/6 (33%)

Defeats

4/6 (67%)

Aug 17, 2025 - MLB

Philadelphia Phillies
11 :  9
Washington Nationals

Aug 16, 2025 - MLB

Philadelphia Phillies
0 :  2
Washington Nationals

Aug 15, 2025 - MLB

Philadelphia Phillies
6 :  2
Washington Nationals

Aug 14, 2025 - MLB

Philadelphia Phillies
2 :  3
Washington Nationals

Aug 13, 2025 - MLB

Philadelphia Phillies
0 :  8
Cincinnati Reds

Aug 12, 2025 - MLB

Philadelphia Phillies
1 :  6
Cincinnati Reds
W L W W W L
Victories

4/6 (67%)

Defeats

2/6 (33%)

Aug 6, 2025 - MLB

Baltimore Orioles
5 :  1
Philadelphia Phillies

Aug 5, 2025 - MLB

Baltimore Orioles
0 :  5
Philadelphia Phillies

Aug 4, 2025 - MLB

Baltimore Orioles
3 :  13
Philadelphia Phillies

Aug 3, 2025 - MLB

Detroit Tigers
0 :  2
Philadelphia Phillies

Aug 2, 2025 - MLB

Detroit Tigers
7 :  5
Philadelphia Phillies

Aug 1, 2025 - MLB

Detroit Tigers
4 :  5
Philadelphia Phillies
L L L W L W
Victories

2/6 (33%)

Defeats

4/6 (67%)

Aug 17, 2025 - MLB

Philadelphia Phillies
11 :  9
Washington Nationals

Aug 16, 2025 - MLB

Philadelphia Phillies
0 :  2
Washington Nationals

Aug 15, 2025 - MLB

Philadelphia Phillies
6 :  2
Washington Nationals

Aug 14, 2025 - MLB

Philadelphia Phillies
2 :  3
Washington Nationals

Aug 13, 2025 - MLB

Philadelphia Phillies
0 :  8
Cincinnati Reds

Aug 12, 2025 - MLB

Philadelphia Phillies
1 :  6
Cincinnati Reds

Seattle Mariners against Philadelphia Phillies : Head to Head (H2H)

Seattle Mariners

67 %

Philadelphia Phillies

33 %

Aug 4, 2024 - MLB

Philadelphia Phillies
6 :  0
Seattle Mariners

Aug 3, 2024 - MLB

Philadelphia Phillies
5 :  6
Seattle Mariners

Aug 2, 2024 - MLB

Philadelphia Phillies
2 :  10
Seattle Mariners

Seattle Mariners - Philadelphia Phillies Key Points

  1. Seattle is 1-4 SU in its last 5 games.
  2. Seattle is 9-4 SU in its last 13 games played in August.
  3. Philadelphia is 6-3 SU in its last 9 games at home.
  4. Philadelphia is 2-4 SU in its last 6 games.

Our Seattle Mariners vs Philadelphia Phillies Prediction

Bet on the Phillies to win (-105).

The Phillies are a solid 6-3 in their last 9 home games. Starting pitcher Ranger Sanchez may look like a hot mess right now, but expect him to put up better numbers against a team he held scoreless through six innings three years ago.

The Mariners are 1-4 in their last five games, averaging 4.2 runs per game and pitching a 5.83 ERA in this stretch. The numbers might not appear that bad at first glance, but getting outplayed by the struggling Mets in two consecutive games isn’t a good look for a team with championship aspirations. Starter Logan Gilbert carries a 3.14 ERA in his last five starts, but he’s 0-3 in his last three starts against the Phillies, surrendering an average of 3.0 earned runs per game.

Our betting prediction for the Philadelphia Phillies vs. the Seattle Mariners: the Phillies will win.

Prediction:

 

The Phillies will win

-105
$400+ offered for betting!

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Seattle Mariners vs Philadelphia Phillies Picks