5 biggest questions for Buffalo Bills entering Week 5 against Jaguars

Buffalo Bills v Kansas City Chiefs
Buffalo Bills v Kansas City Chiefs / Cooper Neill/GettyImages
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The Buffalo Bills are on a big win streak, as they are sitting at 3-1 on the top of their division, outscoring their past three opponents 123-33. This is a huge thanks to Josh Allen and the Bills defense.

Since week two, Allen's led the NFL in adjusted completion percentage (85.2%), total touchdowns (10), and passer rating (125.8), as well as earning two offensive-player-of-the-week awards.

The Bill's defense has been outstanding, as they held the number one scoring offense to only 20 points, forcing the Dolphins to convert only 3-10 third downs, and forcing two turnovers. 

A big proponent of the Bills defense is their pass rush, tying the NFL in sacks with 16, and that's without Von Miller, who's already practicing with the Bills and may be back on the field as soon as their next game.

However, many questions are going into Week 5, when the Buffalo Bills travel to London to face the Jacksonville Jaguars.