I don't expect Mattison to be extended, so Ty Chandler will be next in line at RB pending further additions.

Source: https://www.dailynorseman.com/2023/3/10/23633533/predictions-for-the-vikings-offseason-part-1

The Vikings started the quarter with the football and moved into New Orleans territory on runs from Joshua Dobbs and Ty Chandler.

Source: https://www.dailynorseman.com/2023/11/12/23957422/new-orleans-saints-minnesota-vikings-second-quarter-recap-third-quarter-discussion

Ty Chandler is an intriguing option for the Vikes in 2023.

Source: https://www.dailynorseman.com/2023/3/7/23628025/new-era-running-back-minnesota-vikings-ty-chandler-kene-nwangwu-dalvin-cook-alexander-mattison

Vikings running back Ty Chandler (32) handled a career-high 55 snaps and rushed for a career-high 132 yards against the Bengals.

Source: https://m.startribune.com/vikings-running-back-ty-chandler-featured-role-alexander-mattison-jordan-hicks-jake-browning/600329223/