MarchingOn

Don't think so. It appears we cut him from our PS and Vikes signed him in Oct. It was a surprise.

New Orleans Saints roster, practice squad: A closer look at 3 newcomers | NOLA.com

November article above says: "Pierre Warren

An undrafted free agent out of Jacksonville State (which he left after his junior year), Warren was a standout in training camp. So it was a mild surprise when the Saints cut him from the practice squad.

The Minnesota Vikings added him to their squad in October, and he worked there until he was signed to the active roster by the Saints this week.

Warren is familiar with the defense and showed a knack for making plays in camp. While it's hard to imagine him playing a lot on Monday night, the Saints have so few options that it's possible."