Brock Purdy Fantasy Football Week 18: Stats and Projections vs. Seahawks

Quarterback Brock Purdy has a matchup versus the 12th-ranked passing defense in the NFL (198.6 yards allowed per game) in Week 18, when his San Francisco 49ers meet the Seattle Seahawks, Saturday at 8 p.m. ET.

Considering Purdy for your DFS roster, with his next game against the Seahawks? We've got stats and information for you in this article.

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Brock Purdy Week 18 Fantasy Football Projection

• Matchup: San Francisco 49ers vs. Seattle Seahawks
• Game Date: January 3, 2026
• Game Time: 8 p.m.
• Projected Fantasy Points: 17.8
• Projected Passing Yards: 257.02
• Projected Passing TDs: 1.77
• Projected Rushing Yards: 16.05
• Projected Rushing TDs: 0.16

Projections provided by numberFire

Purdy Fantasy Performance

• Among players at the QB position, Purdy is currently the 24th-ranked player in fantasy (48th overall), with 172.2 total fantasy points (21.5 per game).
• Over his last three games, Purdy has generated 94.0 fantasy points (31.3 per game), as he's amassed 893 yards on 72-of-97 passing with 11 touchdowns and two picks. As a runner, he's tacked on 83 rushing yards on 15 carries with two TDs.
• Purdy has accumulated 1,254 passing yards (111-of-158) with 13 TDs and five picks in his last five games, leading to 118.4 fantasy points (23.7 per game) during that stretch. On the ground, he's contributed 103 yards rushing on 23 carries with three touchdowns.
• The highlight of Purdy's fantasy season was last week's performance versus the Chicago Bears, a game when he came through with zero catches and zero receiving yards (36.9 fantasy points).
• From a fantasy standpoint, Brock Purdy had his worst performance of the season in Week 12 against the Carolina Panthers, when he posted 7.3 fantasy points -- 23-of-32 (71.9%), 193 yards, 1 TD, 3 INTs.

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Seahawks Defensive Performance

• Seattle has conceded more than 300 yards passing to only two players this season.
• A total of 12 players have thrown for at least one TD against the Seahawks this year.
• Seattle has allowed seven players to throw for at least two touchdowns in a game this season.
• The Seahawks have allowed just one player to throw for at least three TDs in a game this year.
• Seattle has allowed four players to pick up more than 100 yards receiving in a game this season.
• The Seahawks have allowed 19 players to catch a touchdown pass versus them this season.
• Only one player has caught more than one touchdown pass versus Seattle this season.
• The Seahawks' defense has not allowed a player to pile up more than 100 yards on the ground in a game this season.
• Seattle has allowed eight players to score at least one rushing TD against them this season.
• Just one player has rushed for more than one TD versus the Seahawks this year.

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