2018 Seattle Seahawks season
The NFL season|2018 season] was the Seattle Seahawks' 43rd in the National Football League and their ninth under List of [Seattle Seahawks head coaches|head coach] Pete Carroll. The Seahawks improved on their 9–7 record from the 2017 season, finishing 10–6, the sixth time in seven years that they recorded at least ten wins in a season. They also played in London for the first time in franchise history, defeating the Oakland Raiders season|Oakland Raiders] 27–3 in Week 6. With a win over the Kansas City Chiefs season|Kansas City Chiefs] and eventual league MVP Patrick Mahomes in Week 16, the Seahawks returned to the playoffs; their seventh appearance in the nine seasons under Carroll. However, the Seahawks suffered their first one-and-done postseason campaign since 2004, as they fell to the Dallas Cowboys season|Dallas Cowboys] in the Wild Card round 24–22.
This was the first season since 2011 that the team did not feature the original Legion of Boom defensive unit and did not have Richard Sherman on the roster, as he was released on March 9 and signed with division rival San Francisco 49ers season|San Francisco 49ers]. Michael Bennett, another longtime Seahawk, was traded to the Philadelphia Eagles season|Philadelphia Eagles] on March 7. His fellow defensive lineman Cliff Avril was released by the team on May 4. It was also the first season since 2009 that Kam Chancellor was not on the roster; he announced his retirement on July 1 due to the neck injury he sustained in Week 10 of the previous season.
Tight ends Jimmy Graham and Luke Willson, wide receiver Paul Richardson, and running back Thomas Rawls all departed in free agency as well.
On August 20, longtime Seahawks punter Jon Ryan was released from the team. He was the last remaining player from the team before coach Pete Carroll took over in 2010. With his release, the Seahawks shifted the punting duties to their fifth-round rookie Michael Dickson, who went on to make the Pro Bowl and was named First-team All-Pro Team|All-Pro].
This season is notable for featuring the NFL's first player with only one hand, as the Seahawks drafted Shaquem Griffin in the fifth-round of the 2018 NFL draft out of the University of Central Florida. He is the twin brother of Seahawks cornerback Shaquill Griffin.
Microsoft co-founder Paul Allen, who had owned the team since 1997, died of Hodgkin's lymphoma on October 15, at the age of 65. Allen also owned the NBA's Portland Trail Blazers from 1988 until his death in 2018. In tribute, the team wore patches labeled "PGA" for the rest of the season beginning at the game against the Detroit Lions season|Detroit Lions].
Draft
| Round | Selection | Player | Position | College | Notes |
| 1 | 27 | Rashaad Penny | RB | San Diego State | From Green Bay Packers season|Green Bay] |
| 3 | 79 | Rasheem Green | DE | USC | From Green Bay |
| 4 | 120 | Will Dissly | TE | Washington | |
| 5 | 141 | Shaquem Griffin | LB | UCF | From Houston Texans season|Houston] |
| 5 | 146 | Tre Flowers | CB | Oklahoma State | From Oakland Raiders season|Oakland] |
| 5 | 149 | Michael Dickson | P | Texas at Austin|Texas] | From Denver Broncos season|Denver] |
| 5 | 168 | Jamarco Jones | OT | Ohio State | From New England Patriots season|New England] |
| 6 | 186 | Jacob Martin | DE | Temple | From Green Bay |
| 7 | 220 | Alex McGough | QB | FIU | From Pittsburgh Steelers season|Pittsburgh] |
Draft trades
- The Seahawks traded their second- and seventh-round selections and wide receiver Jermaine Kearse to the New York Jets for the Jets' seventh-round selection and defensive end Sheldon Richardson.
- The Seahawks traded their third-round selection and their second-round selection in 2019 to Houston for Houston's fifth-round selection and offensive tackle Duane Brown.
- The Seahawks traded their sixth-round selection and running back Marshawn Lynch to Oakland for Oakland's fifth-round selection.
- The Seahawks traded their fifth-round selection to Philadelphia for Philadelphia's seventh-round selection and offensive tackle Matt Tobin.
- The Seahawks traded defensive end Cassius Marsh to New England for New England's fifth- and seventh-round selections.
- The Seahawks traded cornerback Tramaine Brock to Minnesota for Minnesota's seventh-round selection.
- The Seahawks traded their seventh-round selection to New England for cornerback Justin Coleman.
Regular season
Schedule
On January 11, 2018, the NFL announced that the Seahawks will play the Oakland Raiders in a London Game in London, England, with the Raiders serving as the home team. The game site, originally slated for Tottenham Hotspur Stadium, was later moved to Wembley Stadium. The game, which was the Seahawks' first appearance in the International Series, occurred during Week 6 on October 14. The network time was announced in conjunction with the release of the regular season schedule.The remainder of the Seahawks' 2018 schedule, with exact dates and times, was announced on April 19.
Divisional matchups: the NFC West played the NFC North and the AFC West.
Note: Intra-division opponents are in bold text.
Game summaries
Week 6: at Oakland Raiders
NFL London GamesWith this win, head coach Pete Carroll reached win number 91, becoming the Seahawks' all-time wins leader passing Mike Holmgren with a record of 91-56-1 at that point.