Higbee caught one of two targets for 14 yards against the Chargers in Sunday's 24-9 victory.
The Jets placed Mitchell (concussion) on their injured reserve list Tuesday, Amanda Vogt of the team's official site reports.
Connors (hand) was placed on IR on Tuesday, Blaine Grisak of SI.com reports.
McManus converted his sole field-goal attempt and all three PATs in the Rams' 24-9 win over the Chargers on Sunday.
Davis rushed five times for 15 yards in Sunday's 38-33 loss to the Raiders.
Taylor caught three of five targets for 19 yards in Sunday's 38-33 loss to the Raiders.
Sadiq caught one of two targets for 22 yards in Sunday's 38-33 loss to the Raiders.
Connors suffered a broken hand in Sunday's 24-9 win over the Rams.
Sanders made all four of his field-goal attempts and three PATs in the Jets' 38-33 loss to the Raiders on Sunday.
Whittington did not catch his sole target and logged one tackle on kick coverage during the Rams' 24-9 win over the Chargers on Sunday.
