​SEATTLE, WASHINGTON – JANUARY 17: Brock Purdy #13 of the San Francisco 49ers scrambles during the third quarter against the Seattle Seahawks in the NFC Divisional Playoff game at Lumen Field on January 17, 2026 in Seattle, Washington. (Photo by Sean M. Haffey/Getty Images) GettySANTA CLARA, CALIFORNIA – OCTOBER 04: Brock Purdy #13 of the San Francisco 49ers looks to pass the ball in the first quarter against the Denver Broncos at Levi’s Stadium on October 04, 2026 in Santa Clara, California. (Photo by Lachlan Cunningham/Getty Images) GettySEATTLE, WASHINGTON – JANUARY 17: Brock Purdy #13 of the San Francisco 49ers is pressured by DeMarcus Lawrence #0 of the Seattle Seahawks during the second quarter in the NFC Divisional Playoff game at Lumen Field on January 17, 2026 in Seattle, Washington. (Photo by Sean M. Haffey/Getty Images) GettyThe Seattle Seahawks have had enough recent success against Brock Purdy to know what it takes to make the San Francisco quarterback uncomfortable.Mike Macdonald has no interest in underselling the challenge coming to Lumen Field.Asked Wednesday about Purdy ahead of Seattle’s Week 5 matchup with the San Francisco 49ers, Macdonald delivered a pointed assessment of the quarterback who has helped the 49ers open the season 4-0.“I’d have a hard time underrating him. He’s a hell of a player,” Macdonald said, according to Fox 13’s Curtis Crabtree on X. “I think a big part of his game that he deserves a lot of credit is his competitiveness, his athleticism, and playmaking ability as the down extends.”Mike Macdonald on Brock Purdy: “I’d have a hard time underrating him. He’s a hell of a player. … I think a big part of his game that he deserves a lot of credit is his competitiveness, his athleticism, and playmaking ability as the down extends.”— Curtis Crabtree (@Curtis_Crabtree) October 7, 2026The praise matches what Purdy has produced through four weeks. NFL.com ranked him No. 1 in its Week 5 QB Index after he completed 69.9% of his passes for 1,007 yards, 11 touchdowns and one interception over San Francisco’s first four games.He has also rushed for 122 yards and a touchdown.Purdy Has Been Nearly Untouchable Through 4 GamesGettySANTA CLARA, CALIFORNIA – OCTOBER 04: Brock Purdy #13 of the San Francisco 49ers looks to pass the ball in the first quarter against the Denver Broncos at Levi’s Stadium on October 04, 2026 in Santa Clara, California. (Photo by Lachlan Cunningham/Getty Images)
Purdy’s passing numbers stand out, but one of the more wild parts of his start is what opposing pass rushes have failed to do.According to his NFL.com game logs, Purdy hasn’t been sacked through four games. He has thrown multiple touchdown passes in every outing, including four in a Week 3 win over Arizona.Macdonald emphasized that containing the 49ers offense requires more than winning one-on-one matchups. Seattle’s official website summarized the coach as calling it an “11, 12-man job” because of how ef