NFL Transactions: Thursday 12/15

49ers

• 49ers placed DL Hassan Ridgeway on injured reserve. (NFLTR)
• 49ers elevated CB Janoris Jenkins and WR Willie Snead to their active roster.
• 49ers signed DT Akeem Spence to their active roster.

Colts

• Colts signed DT McTelvin Agim to their practice squad. 
• Colts released WR Robert Foster from their practice squad. (NFLTR)

Giants

• Giants signed DE Ryder Anderson to their active roster. (NFLTR)
• Giants signed DT Jack Heflin to their practice squad. (NFLTR)
• Giants placed DE Elerson Smith on injured reserve. 

Jets

• Jets waived DB Will Parks. (NFLTR)

Lions

• Lions signed CB Khalil Dorsey to their practice squad. (NFLTR)

Raiders

• Raiders waived G Lester Cotton from injured reserve. (NFLTR)

Seahawks

• Seahawks elevated RB Godwin Igwebuike to their active roster. (NFLTR)
• Seahawks signed WR Jaylen Smith to their practice squad.
• Seahawks released RB Wayne Gallman from their practice squad. (NFLTR)

Titans

• Titans designated DB Lonnie Johnson Jr. to return from injured reserve. (NFLTR)