The Cardinals have placed Fenton (undisclosed) on injured reserve, Darren Urban of the Cardinals' official site reports.
The Cardinals and Fenton agreed to a one-year contract Thursday, Darren Urban of the team's official site reports.
Fenton, who was dealing with a hamstring issue before being traded to the Falcons on Tuesday, isn't listed on Atlanta's injury report.
The Chiefs traded Fenton (hamstring) to the Falcons on Tuesday, Field Yates of ESPN reports.
Coach Andy Reid said Friday that Fenton (hamstring) won't play in Sunday's game at the 49ers, Nate Taylor of The Athletic reports.
Chiefs head coach Andy Reid said Fenton (hamstring) won't play Sunday against the Bills, Matt McMullen of the Chiefs' official site reports.
Chiefs head coach Andy Reid said Fenton (hamstring) won't practice Wednesday, Matt McMullen of the Chiefs' official site reports.
Fenton (shoulder) was activated off the active/PUP list Tuesday and returned to practice, Charles Goldman of USA Today reports.
Fenton (shoulder) was placed on the Chiefs' active/PUP list Saturday, Aaron Wilson of ProFootballNetwork.com reports.