ENGLEWOOD, Colo. -- **In need of depth at safety after the free-agent departures of David Bruton Jr. and Omar Bolden, the Broncos brought back free agent Shiloh Keo and added veteran Brandian Ross to the roster each on one-year contracts as they prepared to commence organized offseason workouts Monday.
Both combine to provide an injection of experience into a safety corps that needs it behind starters T.J. Ward and Darian Stewart. Keo and Ross have played in a combined 98 regular-season and postseason games, and each has been a starter for the majority of games in at least one season.
Keo rejoins the Broncos after joining the team Dec. 9 following injuries to their safety corps. He struggled early, particularly in the Week 14 loss to Oakland.
But the five-year veteran found his footing in subsequent weeks, beginning with a crucial fourth-quarter interception of Philip Rivers in Week 17 that helped the Broncos secure a top-seed-clinching win over the Chargers.
Three weeks later, Keo was again in the right place at the right time, sealing the Broncos' eighth Super Bowl trip by fielding Stephen Gostkowski's on-side kickoff with 12 seconds remaining in regulation of the AFC Championship Game.
Ross has been with four different teams since breaking into the NFL with the Green Bay Packers as an undrafted free agent in 2011. He was on their practice squad as a rookie and was back there early in the 2012 season before joining the Raiders' active roster on Sept. 19, 2012.
The Youngstown State product has played in 45 games over the course of his career, starting 24, all with the Raiders. He has nine career passes defensed, two interceptions, two sacks and 150 total tackles, including a career-high 75 total stops in the 2013 season in Oakland, when he started a career-high 13 games.