Ball has not played or practiced since Week 12 at Detroit. Texans coach Gary Kubiak said Thursday that he expects Ball, a top reserve corner and valuable special teams contributor, to return for the playoffs.
Reed is expected to start on Sunday and play a similar amount as last week, when he sat out the entire second half. He had four tackles in the first half against the Minnesota Vikings after missing the previous three games with a groin injury.
Keo, a special teams captain, was limited in practice on Thursday by an ankle injury. He did not practice on Friday.
Colts center Samson Satele (ankle), nose tackle Antonio Johnson (ankle) and defensive end Cory Redding (quad), all starters, were ruled out by Indianapolis on Friday. Backup running back Delone Carter (ankle) also was declared out.