Cardinals wide receiver Marvin Harrison Jr. has made significant progress in recovering from a concussion, participating fully in practice on Friday. He is expected to be cleared to play in the upcoming game against the Chargers, where he will likely maintain his usual snap count. The Chargers' defense is missing key players, which could benefit Harrison's performance.

• Marvin Harrison Jr. is on track to play against the Chargers after a full practice.
• The Chargers' secondary will be weakened without key cornerbacks.