Vikings 2023 free agent tracker: RB Alexander Mattison, OL Olisaemeka Udoh return

EAGAN, Minn. -- NFL free agency is off and running, and we're keeping track of every major signing, trade and release of the 2023 offseason, with analysis from our NFL Nation reporters and grades from our experts. The first round of the 2023 NFL draft begins April 27 on ESPN.

The Minnesota Vikings just completed a painful, but not unexpected, roster purge to accelerate their "competitive rebuild" and clear salary cap moving forward. Now, how will they replace the veteran players they have cast aside?

The Vikings hope that some of their new starters, and key backups, will come from their 10-player draft class of 2022. Perhaps another starter or two will come from the 2023 draft. But they'll…