Philadelphia Phillies vs Seattle Mariners Prediction & Picks - MLB

USA - MLB

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

Prediction:

 

The Phillies will win

-105
$200 offered for betting!

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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.

Philadelphia Phillies vs Seattle Mariners Form

Table

Teams Pts P W L
2 Philadelphia Phillies
0.593 162 96 66
8 Seattle Mariners
0.556 162 90 72

Philadelphia Phillies and Seattle Mariners Latest Matches

Philadelphia Phillies
Philadelphia Phillies Latest matches
L L L W L W
Victories

2/6 (33%)

Defeats

4/6 (67%)

Aug 17, 2025 - MLB

Washington Nationals
9 :  11
Philadelphia Phillies

Aug 16, 2025 - MLB

Washington Nationals
2 :  0
Philadelphia Phillies

Aug 15, 2025 - MLB

Washington Nationals
2 :  6
Philadelphia Phillies

Aug 14, 2025 - MLB

Washington Nationals
3 :  2
Philadelphia Phillies

Aug 13, 2025 - MLB

Cincinnati Reds
8 :  0
Philadelphia Phillies

Aug 12, 2025 - MLB

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

4/6 (67%)

Defeats

2/6 (33%)

Aug 6, 2025 - MLB

Philadelphia Phillies
1 :  5
Baltimore Orioles

Aug 5, 2025 - MLB

Philadelphia Phillies
5 :  0
Baltimore Orioles

Aug 4, 2025 - MLB

Philadelphia Phillies
13 :  3
Baltimore Orioles

Aug 3, 2025 - MLB

Philadelphia Phillies
2 :  0
Detroit Tigers

Aug 2, 2025 - MLB

Philadelphia Phillies
5 :  7
Detroit Tigers

Aug 1, 2025 - MLB

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

2/6 (33%)

Defeats

4/6 (67%)

Aug 17, 2025 - MLB

Washington Nationals
9 :  11
Philadelphia Phillies

Aug 16, 2025 - MLB

Washington Nationals
2 :  0
Philadelphia Phillies

Aug 15, 2025 - MLB

Washington Nationals
2 :  6
Philadelphia Phillies

Aug 14, 2025 - MLB

Washington Nationals
3 :  2
Philadelphia Phillies

Aug 13, 2025 - MLB

Cincinnati Reds
8 :  0
Philadelphia Phillies

Aug 12, 2025 - MLB

Cincinnati Reds
6 :  1
Philadelphia Phillies
Seattle Mariners
Seattle Mariners Latest matches
W L L W L L
Victories

2/6 (33%)

Defeats

4/6 (67%)

Aug 17, 2025 - MLB

New York Mets
7 :  3
Seattle Mariners

Aug 16, 2025 - MLB

New York Mets
3 :  1
Seattle Mariners

Aug 15, 2025 - MLB

New York Mets
9 :  11
Seattle Mariners

Aug 14, 2025 - MLB

Baltimore Orioles
5 :  3
Seattle Mariners

Aug 13, 2025 - MLB

Baltimore Orioles
4 :  3
Seattle Mariners

Aug 12, 2025 - MLB

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

6/6 (100%)

Defeats

0/6 (0%)

Aug 10, 2025 - MLB

Seattle Mariners
6 :  3
Tampa Bay Rays

Aug 9, 2025 - MLB

Seattle Mariners
7 :  4
Tampa Bay Rays

Aug 8, 2025 - MLB

Seattle Mariners
3 :  2
Tampa Bay Rays

Aug 7, 2025 - MLB

Seattle Mariners
4 :  3
Chicago White Sox

Aug 6, 2025 - MLB

Seattle Mariners
8 :  6
Chicago White Sox

Aug 5, 2025 - MLB

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

2/6 (33%)

Defeats

4/6 (67%)

Aug 17, 2025 - MLB

New York Mets
7 :  3
Seattle Mariners

Aug 16, 2025 - MLB

New York Mets
3 :  1
Seattle Mariners

Aug 15, 2025 - MLB

New York Mets
9 :  11
Seattle Mariners

Aug 14, 2025 - MLB

Baltimore Orioles
5 :  3
Seattle Mariners

Aug 13, 2025 - MLB

Baltimore Orioles
4 :  3
Seattle Mariners

Aug 12, 2025 - MLB

Baltimore Orioles
0 :  1
Seattle Mariners

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

Philadelphia Phillies

33 %

Seattle Mariners

67 %

Aug 4, 2024 - MLB

Seattle Mariners
0 :  6
Philadelphia Phillies

Aug 3, 2024 - MLB

Seattle Mariners
6 :  5
Philadelphia Phillies

Aug 2, 2024 - MLB

Seattle Mariners
10 :  2
Philadelphia Phillies

Philadelphia Phillies - Seattle Mariners 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 Philadelphia Phillies vs Seattle Mariners 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
$200 offered for betting!

All tips are fully researched and given in good faith, but profits cannot be guaranteed.

Philadelphia Phillies vs Seattle Mariners Picks