Houston signed Keene to a reserve/future contract Monday, Aaron Wilson of KPRC 2 Houston reports.
The Texans signed Keene to the practice squad Wednesday.
The Texans waived Keene on Tuesday.
Keene was waived by the Eagles on Wednesday.
The Eagles signed Keene to a reserve/future contract Friday.
Keene signed with the Broncos' practice squad Tuesday, Aric DiLalla of the team's official site reports.
The Broncos cut Keene from their practice squad Tuesday, Aaron Wilson of ProFootballNetwork.com reports.
Denver signed Keene to its practice squad Saturday, Aric DiLalla of the Broncos' official site reports.
Keene was cut from the Eagles' practice squad Tuesday.
The Eagles signed Keene to their practice squad Wednesday.