Maddox and the Eagles agreed to terms Thursday on a one-year contract, Adam Schefter of ESPN reports.
Maddox was released by the Eagles on Wednesday, Adam Schefter of ESPN reports.
The Eagles activated Maddox (pectoral) off injured reserve Saturday.
Maddox (pectoral) has no injury designation ahead of Sunday's game against the Cardinals.
Maddox (pectoral) has been ruled out ahead of Monday's game against the Giants.
Maddox (pectoral) was designated to return from injured reserve on Thursday.
Maddox (pectoral) worked out with trainers Friday, Josh Tolentino of The Philadelphia Inquirer reports.
Coach Nick Sirianni wouldn't rule out the possibility of Maddox (pectoral) returning at some point this season when asked about it Friday, Dave Zangoro of NBC Sports Philadelphia reports.
Maddox (pectoral) was placed on injured reserve Wednesday.
Maddox will have surgery this week to repair a torn pectoral muscle suffered in Thursday's win over the Vikings and will be out indefinitely, Ian Rapoport of NFL Network reports.