Gross-Matos (knee) recorded four tackles (all solo) and three sacks in Sunday's 38-13 blowout win over the Bears.
Gross-Matos (knee) is active for Sunday's game against the Seahawks, Lindsey Peters of the 49ers' official site reports.
The 49ers designated Gross-Matos (knee) to return from injured reserve Wednesday.
Gross-Matos underwent knee surgery Friday, Eric Branch of the San Francisco Chronicle reports.
The 49ers placed Gross-Matos (knee) on injured reserve Saturday, Matt Maiocco of NBC Sports Bay Area reports.
Gross-Matos (knee) has been ruled out ahead of Sunday's matchup against the Cardinals, David Lombardi of The San Francisco Standard reports.
Gross-Matos (knee) was a limited participant in Thursday's practice, Adam Caplan of SiriusXM NFL Radio reports.
Gross-Matos (knee) did not practice Wednesday, Eric Branch of the San Francisco Chronicle reports.
Gross-Matos (knee) has been ruled out for Week 1 against the Jets, Matt Maiocco of NBC Sports Bay Area reports.
Gross-Matos (knee) did not practice Thursday, David Lombardi of The Athletic reports.