India, Oct. 5 -- Baltimore Ravens All-Pro cornerback Marlon Humphrey has officially been ruled out of Sunday's Week 4 matchup against the Tennessee Titans with a calf injury.

The defensive cornerstone exited during the second quarter at M&T Bank Stadium.

Humphrey was initially designated as questionable to return before team physicians downgraded him following halftime evaluations.

His absence leaves Baltimore's secondary shorthanded against Tennessee's perimeter passing attack, forcing rookie Nate Wiggins into an expanded role.

The Second Quarter Exit In Baltimore

The injury occurred midway through the second quarter with Baltimore holding a 14-7 lead.

Humphrey broke on an outside throw toward the sideline, pulling up abruptly afte...