The Ravens will have more roster moves coming this week after season-ending injuries to quarterback Joe Flacco and running back Justin Forsett.
On Monday, Baltimore got started with a couple moves at wide receiver.
The Ravens promoted wide receiver Chuck Jacobs from the practice squad to the 53-man roster and waived Joe Morgan. Baltimore also signed Chris Matthews to its practice squad.
Jacobs and Morgan came to Baltimore at the same time on Nov. 4. Morgan was on the 53-man roster and Jacobs went to the practice squad. Morgan hasn't been active in the Ravens' two game since.
The 6-foot-0, 178-pound Jacobs is in his third NFL season and is a former undrafted rookie out of Utah State.
The former San Francisco 49er has not played in any regular-season games. His best preseason came in 2013 when he caught a pair of 14-yard touchdowns in four games.
Jacobs, who also has returner experience, tore his ACL last season while returning a kickoff against the Ravens in the 49ers' first preseason game on Aug. 7.
Matthews is a 6-foot-5 prospect out of Kentucky who went undrafted in 2011. As a member of the Seahawks, he came out of nowhere to blow up in last year's Super Bowl with four catches for 109 yards and a touchdown. They were the first receptions of his career outside of the preseason.
Matthews hadn't done much for the Seahawks this season, however, notching just four grabs for 54 yards through nine games. He was released last week.