The 2014 National Football League season has reached Week 7.

On last week's edition of "teams who must win," all five teams came out with a victory. With the NFL season almost half way complete, every game is becoming more and more critical. Division and wild card races are very limited, so teams have to play their best.

Here are five teams who must win their Week 7 games:

1. New England Patriots

The New England Patriots defeated the Buffalo Bills at Buffalo in Week 6. Unfortunately for them, they lost linebacker Jerod Mayo and running back Stevan Ridley for the season. The Patriots' victory over the Bills brought their record to 4-2. Tom Brady and the Patriots are scheduled to face the New York Jets at Gillette Stadium on Thursday Night Football. Despite the injuries, the Patriots still have to find a way to beat their AFC East rivals and improve to 5-2. The Jets and Geno Smith have lost their last five consecutive games, the longest in the NFL.

2. Buffalo Bills

The Bills have had a bit of a roller coaster ride so far this season. After starting off 2-0 with wins over the Chicago Bears and Miami Dolphins, the Bills have lost three of their last four games. As usual, the quarterback position is the problem. Former first round draft pick EJ Manuel hasn't shown signs of a first round pick, and Kyle Orton isn't the franchise. Manuel's QBR is just 19.77 this season on a scale of 0-100; 50 is considered average. Still, the Bills are 3-3, and if the Patriots lose on Thursday to the Jets, they will be tied for first place in the division with a victory over the 2-4 Minnesota Vikings.

3. Pittsburgh Steelers

The Pittsburgh Steelers have alternated wins and losses every single game this season. They got wins in Weeks 1, 3, and 5, but suffered losses in Weeks 2, 4 and 6. Their most recent loss was a lopsided 31-10 beat down to the Cleveland Browns. So, odds say the team should win this week. The Steelers host the Houston Texans on Monday Night Football at Heinz Field. In the AFC North, the Cincinnati Bengals, Baltimore Ravens and Browns all have fewer losses. This Steelers team needs to beat the Texans in Week 7 and move to 4-3.

4. Seattle Seahawks

Last season, the Seattle Seahawks didn't lose their second game until Week 14. Already the Seahawks have lost their second game, thanks to the Dallas Cowboys 30-23 win at Century Link Field. The San Francisco 49ers have now won three consecutive games and are 4-2. Also in the NFC West, the Arizona Cardinals are flying high at 4-1. The Seahawks will be playing their first division game this season in Week 7 against the St. Louis Rams. The Rams are the only poor team in the NFC West, and the Seahawks need this win badly. With the 49ers playing the Denver Broncos, this could be a great week for Seattle fans.

5. Chicago Bears

The NFC North is starting to heat up. The Green Bay Packers (who have won this division the last three seasons) are now 4-2, riding a three game win streak and the Detroit Lions No. 1 ranked defense has them 4-2 as well. The Chicago Bears snapped their two game losing streak by defeating the Atlanta Falcons in Week 6, but a lot of work is yet to be done. The Bears host the 2-3 Miami Dolphins in Week 7. With the Packers and Lions playing great, the Bears need as many wins as possible.

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