The Seahawks made another addition to their interior defensive line on Wednesday, signing rookie nose tackle Anthony Montalvo.
Outside linebacker Joshua Onujiogu was waived/injured to make room on the 90-man roster. Seahawks coach Pete Carroll said Wednesday that Onujiogu is dealing with a serious elbow injury that may require surgery.
Montalvo, who is 6-foot-2, 290 pounds, went undrafted out of UCF and signed with the Dolphins in May, then was waived earlier this week. After beginning his college career as a walk-on, Montalvo went on to earn a scholarship while appearing in 57 games with 36 starts, totaling 130 tackles, 6.0 sacks, four passes defensed and a forced fumble over five seasons.
Onujiogu, who signed with the team as an undrafted free agent last year, appeared in one game and spent most of the season on the practice squad. He will revert to injured reserve if he goes unclaimed on waivers.
The Seahawks will play at Lumen Field against the Minnesota Vikings on Sunday, December 22, 2024. Check out action photos of their matchups throughout the years.
![through-the-years-vikings-2023](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/jyiibo2ioyoi26flag8p.jpg)
![Fran Tarkenton Minnesota Viking? Quarterback, with a host of passing records in his Pocket, many times scrambles, and sometimes unsuccessfully. Here in a game this year he is about to be sacked by Seattle Seahawks tackle Dick Harris (77) on Dec. 14, 1976. The Vikings host the Washington Redskins on December 18 in an NFL Playoff Game. (AP Photo)](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/blor4xmbjjctomxf7wuq.jpg)
Fran Tarkenton Minnesota Viking? Quarterback, with a host of passing records in his Pocket, many times scrambles, and sometimes unsuccessfully. Here in a game this year he is about to be sacked by Seattle Seahawks tackle Dick Harris (77) on Dec. 14, 1976. The Vikings host the Washington Redskins on December 18 in an NFL Playoff Game. (AP Photo)
![Steve Largent of the Seattle Seahawks heads into the end zone for a touchdown during second quarter action against the Minnesota Vikings, Aug. 23, 1986. David Evans (40) is seen in the background. (AP Photo/Gary Stewart)](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/gmgsln5n0bpwxekdscol.jpg)
Steve Largent of the Seattle Seahawks heads into the end zone for a touchdown during second quarter action against the Minnesota Vikings, Aug. 23, 1986. David Evans (40) is seen in the background. (AP Photo/Gary Stewart)
![9-30-1984_seahawks_minn066.jpg](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/drliubzsbdkkp9kpabzs.jpg)
![Liz Mathews, Seahawkswire.usatoday.com](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/qwjk08a2pb3kisreebft.jpg)
Liz Mathews, Seahawkswire.usatoday.com
![Danny O'Neil, 710 ESPN Seattle](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/bmkccirnillqf0wlly9m.jpg)
Danny O'Neil, 710 ESPN Seattle
![Late 1990's: Quarterback Brad Johnson of the Minnesota Vikings passes from the pocket during a Vikings game versus the Seattle Seahawks (Icon Sportswire via AP Images)](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/yklmsvprrxbwidqhterf.jpg)
Late 1990's: Quarterback Brad Johnson of the Minnesota Vikings passes from the pocket during a Vikings game versus the Seattle Seahawks (Icon Sportswire via AP Images)
![Seattle Seahawks' Shaun Alexander, right, leaps into the end zone for a touchdown against the Minnesota Vikings during the first quarter Sunday, Sept. 29, 2002, in Seattle. (AP Photo/John Froschauer)](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/cyivesxnsfsx6oo1veuc.jpg)
Seattle Seahawks' Shaun Alexander, right, leaps into the end zone for a touchdown against the Minnesota Vikings during the first quarter Sunday, Sept. 29, 2002, in Seattle. (AP Photo/John Froschauer)
![Seattle Seahawks running back Shaun Alexander waves to the crowd after scoring his fifth touchdown in the first half, an NFL record, against the Minnesota Vikings on Sunday, Sept., 29, 2002, at Seattle's Seahawk Stadium. (AP Photo/Jim Bryant)](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/ekr7jobp6ctuzltpvrca.jpg)
Seattle Seahawks running back Shaun Alexander waves to the crowd after scoring his fifth touchdown in the first half, an NFL record, against the Minnesota Vikings on Sunday, Sept., 29, 2002, at Seattle's Seahawk Stadium. (AP Photo/Jim Bryant)
![Dick Fain, Sports Radio KJR](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/rkkw95hibw4vc4s7dcwh.jpg)
Dick Fain, Sports Radio KJR
![Minnesota Vikings tight end Jermaine Wiggins (85) fumbles the ball as he is tackled by Seattle Seahawks cornerback Kris Richard, right, during the second quarter in Minneapolis, Sunday, Dec. 12, 2004. The ball was recoverd by the Vikings' Cory Withrow. (AP Photo/Ann Heisenfelt)](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/p5rykcq072zied3xhhkm.jpg)
Minnesota Vikings tight end Jermaine Wiggins (85) fumbles the ball as he is tackled by Seattle Seahawks cornerback Kris Richard, right, during the second quarter in Minneapolis, Sunday, Dec. 12, 2004. The ball was recoverd by the Vikings' Cory Withrow. (AP Photo/Ann Heisenfelt)
![Seattle Seahawks' Marcus Trufant, right, breaks up a first quarter Daunte Culpepper pass intended for Minnesota Vikings wide receiver Randy Moss, left, Sunday, Dec. 12, 2004 in Minneapolis. A pass interference penalty was called against Trufant. (AP Photo/Jim Mone)](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/y0tyvivcv2c95xjekjst.jpg)
Seattle Seahawks' Marcus Trufant, right, breaks up a first quarter Daunte Culpepper pass intended for Minnesota Vikings wide receiver Randy Moss, left, Sunday, Dec. 12, 2004 in Minneapolis. A pass interference penalty was called against Trufant. (AP Photo/Jim Mone)
![Minnesota Vikings' Chester Taylor, right, leaps over downed players on a first-half run against the Seattle Seahawks, during a football game Sunday, Oct. 22, 2006, in Seattle. (AP Photo/Elaine Thompson)](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/fsuz2ukqnn4bvcyhjoxg.jpg)
Minnesota Vikings' Chester Taylor, right, leaps over downed players on a first-half run against the Seattle Seahawks, during a football game Sunday, Oct. 22, 2006, in Seattle. (AP Photo/Elaine Thompson)
![Minnesota Vikings' Troy Williamson (82) is spun around by Seattle Seahawks' Ken Hamlin on a missed pass reception in the first quarter in a football game Sunday, Oct. 22, 2006, in Seattle. Williamson was injured on the play. (AP Photo/Elaine Thompson)](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/piw8cpash9qmznyocpgv.jpg)
Minnesota Vikings' Troy Williamson (82) is spun around by Seattle Seahawks' Ken Hamlin on a missed pass reception in the first quarter in a football game Sunday, Oct. 22, 2006, in Seattle. Williamson was injured on the play. (AP Photo/Elaine Thompson)
![2009_2_0.jpg](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/inio7knxfnj2g26j30w8.jpg)
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![Jan. 10, 2016; Minneapolis, Minn.](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/s1naqj7z5tcfi83sy3ff.jpg)
Jan. 10, 2016; Minneapolis, Minn.
![RM1_1003-2](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/vjipkyyox7n9utl3s1a8.jpg)
![CST_CT200605](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/mtpnbdoppqiz6v0ryfk2.jpg)
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![RM2_3743](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/dvx7asswiderb3wj0ath.jpg)
![ml_MLL_1284](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/gawaveuttbuvrxctunlp.jpg)
![Seattle's Jacob Martin hits Vikings quarterback Kirk Cousins and knocks the ball loose.](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/gyq7mifddvgknfezbjay.jpg)
Seattle's Jacob Martin hits Vikings quarterback Kirk Cousins and knocks the ball loose.
![Seahawks receiver Tyler Lockett gets yards after the catch against the Minnesota Vikings on September 26, 2021.](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/awdwuov8hm2otfaadavt.jpg)
Seahawks receiver Tyler Lockett gets yards after the catch against the Minnesota Vikings on September 26, 2021.
![Seahawks receiver DK Metcalf gains yardage on the team's opening drive against the Minnesota Vikings on September 26, 2021.](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/omhnhxr1vkampv3lzd93.jpg)
Seahawks receiver DK Metcalf gains yardage on the team's opening drive against the Minnesota Vikings on September 26, 2021.
![Seahawks defenders hit Vikings quarterback Kirk Cousins, resulting in an incomplete pass against the Minnesota Vikings on September 26, 2021.](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/qqyum27cudvd8oiu2l66.jpg)
Seahawks defenders hit Vikings quarterback Kirk Cousins, resulting in an incomplete pass against the Minnesota Vikings on September 26, 2021.
![LB Jordyn Brooks make a tackle against the Minnesota Vikings on September 26, 2021.](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/g0zjs6gfewhwyedd5cgw.jpg)
LB Jordyn Brooks make a tackle against the Minnesota Vikings on September 26, 2021.
![Seahawks tight end Will Dissly with a long gain on a pass reception against the Minnesota Vikings on September 26, 2021.](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/swt5rvxjxpbvptgh8g4w.jpg)
Seahawks tight end Will Dissly with a long gain on a pass reception against the Minnesota Vikings on September 26, 2021.
![Seahawks running back Chris Carson runs away from Vikings defenders for a touchdown in the first half against the Minnesota Vikings on September 26, 2021.](https://static.clubs.nfl.com/image/private/t_new_photo_album/t_lazy/f_auto/seahawks/ahx6c69yraaedbgm4hph.jpg)
Seahawks running back Chris Carson runs away from Vikings defenders for a touchdown in the first half against the Minnesota Vikings on September 26, 2021.