Indianapolis signed Long from its practice squad to its active roster Tuesday.
Long (undisclosed) did not play during Saturday's preseason game at Houston because of an injury he sustained before the game, Pat Leonard of the New York Daily News reports.
Long signed a contract with the Giants on Wednesday, Dan Salomone of the team's official site reports.
Long is set to start at cornerback in Sunday's game versus the Titans, David Newton of ESPN.com reports.
Long (ankle) is officially active for the Raiders' matchup with the Packers on Monday Night Football.
Long's (ankle) status has been downgraded to out, Bridget Condon of NFL Network reports.
Long (groin) does not have an injury designation ahead of Sunday's game against Denver, Jourdan Rodrigue of The Athletic reports.
Long (groin) was ruled out for Monday's game against the Packers, Gilbert Manzano of The Orange County Register reports.
Coach Sean McVay said Monday that Long (groin) is ruled out for Thursday's game against the Raiders, Jourdan Rodrigue of The Athletic reports.
Long (groin) was a full participant during the Rams' practice Thursday, Jourdan Rodrigue of The Athletic reports.