Detroit will not tender Jacobs (hamstring), who will now become a free agent, Tom Pelissero of NFL Network reports.
Head coach Dan Campbell indicated Tuesday that Jacobs (hamstring) should be ready to get back on the field at some point during the preseason, Jeff Risdon of WMAX-FM reports.
Jacobs (hamstring) was placed on injured reserve Saturday.
Jacobs (hamstring) has been ruled out ahead of Sunday's game against the Rams, Eric Woodyard of ESPN.com reports.
Jacobs (hamstring) has been ruled out ahead of Sunday's game against the Vikings.
Jacobs (knee) was a full participant at practice Thursday.
Jacobs (knee) is inactive for Sunday's matchup against the Ravens.
Jacobs is listed as questionable for Sunday's game against the Ravens due to a knee injury.
Jacobs had five solo tackles and four passes defensed, including two interceptions, in Thursday's 34-20 win over Green Bay.
Jacobs recorded seven solo tackles during Sunday's 20-6 win over Atlanta.