Thus far, four teams have clinched playoff spots--two in each conference--with the Chicago Bears the only team to have clinched it's division.

Here are the rest of the playoff, division, and homefield advantage clinching scenarios for Week 16 of the 2010 regular season:

AFC

New England Patriots have clinched a playoff spot and can clinch the AFC East and homefield advantage in the AFC with a win or tie OR with a New York Jets loss or tie.

Pittsburgh Steelers have clinched a playoff spot and can clinch the AFC North and a first-round playoff bye with a win AND and a Baltimore Ravens loss

Kansas City Chiefs can clinch the AFC West with a win AND a San Diego Chargers loss or tie OR with a tie AND a San Diego Chargers loss

Baltimore Ravens can clinch a playoff berth with a win or tie OR a Kansas City Chiefs loss AND a Jacksonville Jaguars loss or tie OR a Kansas City Chiefs loss AND an Indianapolis Colts loss or tie OR a San Diego Chargers loss or tie AND a Jacksonville Jaguars loss or tie OR a San Diego Chargers loss or tie AND an Indianapolis Colts loss or tie.

New York Jets can clinch a playoff berth with a win or tie OR Jacksonville Jaguars loss or tie OR an Indianapolis Colts loss or tie.

NFC

Atlanta Falcons have clinched a playoff spot and can clinch the NFC South and homefield advantage with a win or tie.

Chicago Bears have clinched the NFC North and can clinch a first-round bye with a win AND a Philadelphia Eagle loss AND a New York Giants loss or tie

New Orleans Saints can clinch a playoff spot with a win or tie OR a Tampa Bay Buccaneers loss or tie

New York Giants can clinch a playoff spot with a win.