Houston signed Hollman off the Ravens' practice squad Tuesday, Aaron Wilson of KPRC 2 Houston reports.
Baltimore elevated Hollman from the practice squad to the active roster Saturday.
The Ravens signed Hollman to a contract Friday, Jeff Zrebiec of The Athletic reports.
Hollman was released by the Texans on Tuesday, Aaron Wilson of KPRC 2 Houston reports.
Hollman is likely to start in place of the injured Shaquill Griffin Sunday against the Falcons, Aaron Wilson of KPRC 2 Houston reports.
Hollman was signed to a reserve/future deal by the 49ers on Tuesday, Nick Wagoner of ESPN.com reports.
The Giants activated Hollman (illness) from the reserve/COVID-19 list Wednesday.
Hollman (illness) was placed on the Giants' practice squad COVID-19 list Monday, Dan Salomone of the Giants' official site reports and tested positive for the virus, according to Tom Pelissero of NFL Network .
Hollman (undisclosed) was placed on the Bills' practice squad injured list Tuesday, Dan Salomone of the Giants' official site reports.
Hollman was waived by the Texans on Tuesday, Ian Rapoport of NFL Network reports.