This was the first time the Seahawks didn't make a first-round draft pick since 2007.

RENTON — The first sign that the first round of Thursday’s NFL draft was going to be quiet for the Seahawks was, literally, a sign hanging above coach Pete Carroll’s office: “Man Cave.”

Without a first-round pick, the Seahawks played the part of spectator. They watched from team headquarters and prepared for their first pick, which will come Friday in the second round, 56th overall.

It was the first time the Seahawks didn’t make a first-round pick since 2007.

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Five defensive tackles went in the first round, and that’s a position the Seahawks might look to bolster on the second day of the draft. It is also widely considered the deepest position in the draft, with talented players still available. The Seahawks could also look to add a linebacker (three went in the first round) or offensive lineman (eight were picked).

The arms race in the NFC West continued. The St. Louis Rams fired the first shots by trading up to No. 8 to take West Virginia wide receiver Tavon Austin, a dynamic playmaker.

San Francisco, which entered with the 31st pick, didn’t wait long for a response and promptly traded up to grab LSU safety Eric Reid with the 18th pick. The 49ers needed a replacement for starting safety Dashon Goldson, who signed with Tampa Bay.

The Seahawks already made their splash by trading their first-round pick to Minnesota for wide receiver Percy Harvin in the offseason.

As Seahawks safety Earl Thomas tweeted when the first round finally ended, “Still say we had the best first round pick of the draft.”

Jayson Jenks: 206-464-8277 or