Herron had a workout with the Seahawks on Tuesday, Curtis Crabtree of Fox 13 Seattle reports.
The Panthers cut Herron (undisclosed) from their practice squad with an injury settlement Thursday, per the NFL's transaction log.
The Panthers restored Herron from the practice squad COVID-19 list Wednesday, per the league's official transactions report.
Herron (undisclosed) had his suspension for performance-enhancing substances lifted Monday, Aaron Wilson of Sportstalk 790 Houston reports.
Herron (undisclosed) received a two-game suspension for violating the NFL's policy on performance-enhancing substances.
Herron (undisclosed) has been placed on the Panthers' practice squad injured reserve in a move to make practice squad roster space for newly acquired receiver Willie Snead, Jonathan M. Alexander of The Charlotte Observer reports.
Herron inked a contract with the Panthers on Wednesday, NFL reporter Aaron Wilson reports.
The Panthers waived Herron on Monday, Darin Gantt of the Panthers' official site reports.
Herron signed a one-year contract with the Panthers on Tuesday, Alaina Getzenberg of The Charlotte Observer reports.
Herron was released by the Lions on Saturday, Michael Rothstein of ESPN.com reports.