Houston Texans rule out DE Jonathan Greenard and WR Noah Brown ahead of Week 18 game versus Colts

The Colts made the roster moves on Saturday. 

Pierce sustained a concussion during the Colts' Week 15 game against the Denver Broncos.

The Colts need plenty of help to make the playoffs, but more importantly, they need to help themselves by, as head coach Shane Steichen said, raising their standard starting this week against the Tennessee Titans at Lucas Oil Stadium. 

Kelly has missed seven games due to injury this season.

Despite missing five games, Buckner's 6.5 sacks rank seventh among defensive tackles this season. 

Brents sustained an injury to his meniscus and PCL in Week 1 and has not played since. On Wednesday, the Colts opened the second-year cornerback's 21-day practice window, and can activate him from injured reserve at any time in the next three weeks. 

The Colts play the Tennessee Titans, New York Giants and Jacksonville Jaguars in the final three games of the regular season.

The Indianapolis Colts' iconic white-on-white uniform will return to gameday for the inaugural "Winter White Out Game," presented by Koorsen Fire & Security, against the Tennessee Titans at Lucas Oil Stadium on Sun., Dec. 22.

TV broadcast, radio and streaming information for Tennessee Titans at Indianapolis Colts on December 22 at 1:00 p.m. ET (Week 16).

The NFL made the scheduling announcement Tuesday. The game had previously been listed with a TBD kickoff date and time. 

The Colts released their Week 16 unofficial depth chart ahead of their game against the Tennessee Titans on Sunday at Lucas Oil Stadium.

The Colts fell to 6-8 with their Week 15 loss to the Denver Broncos on Sunday at Empower Field at Mile High.