Katrina Johnson, second from right, speaks outside CenturyLink Field after a taking part in a march supporting Black Lives Matter and other social causes before an NFL football game between the Seattle Seahawks and the San Francisco 49ers, Sunday, Sept. 17, 2017, in Seattle. Johnson is wearing the #72 jersey of Seahawks defensive end Michael Bennett, who has been a vocal supporter of various social issues, and who reached out to her family after Johnson's cousin, Charleena Lyles, was fatally shot by Seattle Police earlier in the year. (AP Photo/John Froschauer)

Seattle Seahawks head coach Pete Carroll, right, talks with San Francisco 49ers head coach Kyle Shanahan, left, on the field before an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks head coach Pete Carroll, left, talks with team owner Paul Allen, right, on the field before an NFL football game against the San Francisco 49ers, Sunday, Sept. 17, 2017, in Seattle. Allen was scheduled to be honored by the team before kickoff for the 20th anniversary of his purchase of the Seahawks. (AP Photo/Elaine Thompson)

Demonstrators show support for Seattle Seahawks defensive end Michael Bennett as they march outside CenturyLink Field before an NFL football game between the Seahawks and the San Francisco 49ers, Sunday, Sept. 17, 2017, in Seattle. Bennett has been a vocal supporter of Black Lives Matter and other social issues. (AP Photo/John Froschauer)

San Francisco 49ers strong safety Eric Reid (35) talks to teammates in a huddle during warmups before an NFL football game against the Seattle Seahawks, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks quarterback Russell Wilson passes during warmups before an NFL football game against the San Francisco 49ers, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks Blair Walsh (7) kicks his second field goal of the first half of an NFL football game against the San Francisco 49ers as Jon Ryan (9) holds, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

A pass intended for Seattle Seahawks wide receiver Doug Baldwin (89) is broken up by San Francisco 49ers' Dontae Johnson, right, and Jaquiski Tartt, left, in the first half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers quarterback Brian Hoyer, left, gestures on the line of scrimmage as he lines up against Seattle Seahawks cornerback Richard Sherman (25) in the first half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks tight end Luke Willson leaps over San Francisco 49ers cornerback Will Redmond, left, as defensive tackle D.J. Jones (93) looks on in the first half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers running back Carlos Hyde (28) runs ahead of Seattle Seahawks defensive end Michael Bennett (72) as offensive guard Brandon Fusco (63) looks on in the first half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers quarterback Brian Hoyer (2) is tackled by Seattle Seahawks defensive end Michael Bennett (72) as Seahawks' Sheldon Richardson, lower-right, closes in during the first half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks running back Chris Carson (32) rushes against San Francisco 49ers free safety Jaquiski Tartt (29) as he is tackled by 49ers' Ray-Ray Armstrong (54) in the second half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks head coach Pete Carroll stands on the sideline during in the first half of an NFL football game against the San Francisco 49ers, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers cornerback Dontae Johnson, left, and Seattle Seahawks wide receiver Tyler Lockett, right, watch the ball after Johnson broke up a pass intended for Lockett in the second half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers quarterback Brian Hoyer, left, yells on the line of scrimmage in the second half of an NFL football game against the Seattle Seahawks, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers head coach Kyle Shanahan, center, talks into his headset on the sideline during the first half of an NFL football game against the Seattle Seahawks, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/John Froschauer)

San Francisco 49ers kicker Robbie Gould, right, boots a field goal in the second half of an NFL football game as Bradley Pinion holds, Sunday, Sept. 17, 2017, in Seattle. It was Gould's third field goal of the game. (AP Photo/Elaine Thompson)

Seattle Seahawks defensive end Frank Clark (55) sacks San Francisco 49ers quarterback Brian Hoyer as free safety Earl Thomas, left, closes in during the second half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks wide receiver Paul Richardson, left, is greeted by teammates Tyler Lockett, center, and Rees Odhiambo (70) after Richardson caught a pass for a touchdown against the San Francisco 49ers in the second half of an NFL football game Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks wide receiver Paul Richardson, left, is greeted by teammates Tyler Lockett, center, and Rees Odhiambo, right, after Richardson caught a pass for a touchdown against the San Francisco 49ers in the second half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks wide receiver Paul Richardson, left, celebrates after he caught a pass for a touchdown around the defense of San Francisco 49ers cornerback Rashard Robinson (33) in the second half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks running back Chris Carson (32) rushes against the San Francisco 49ers in the second half of an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers running back Carlos Hyde, right, sits on the bench late in the second half of an NFL football game against the Seattle Seahawks, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks quarterback Russell Wilson, right, greets San Francisco 49ers cornerback Dontae Johnson, left, after an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/John Froschauer)

Seattle Seahawks strong safety Kam Chancellor, right, trades jerseys with San Francisco 49ers middle linebacker NaVorro Bowman, left, after an NFL football game, Sunday, Sept. 17, 2017, in Seattle. The Seahawks won 12-9. (AP Photo/Elaine Thompson)

Seattle Seahawks head coach Pete Carroll, left, greets San Francisco 49ers head coach Kyle Shanahan, right, after an NFL football game, Sunday, Sept. 17, 2017, in Seattle. (AP Photo/John Froschauer)