Buffalo Bills defenders keep bolstering their status among their NFL peers in fan Pro Bowl voting.

In this week's update, rookie Kiko Alonso remains first at inside linebacker and fourth among all defenders, while defensive tackle Marcell Dareus and free safety Jairus Byrd inch upward in the polls.

Pro Bowl invitations will be announced Dec. 27, the Friday before regular-season finales are played. Fan votes, which can be submitted until 6 p.m. Dec. 26, count for one-third of the process. Coaches and players also cast ballots.

Alonso has 335,878 votes, seemingly locked behind Seattle Seahawks cornerback Richard Sherman with 477,595, Houston Texans defensive end J.J. Watt with 363,433 and Seahawks free safety Earl Thomas with 359,255.

Dareus moved past Kansas City Chiefs defensive tackle Dontari Poe into second behind the Dallas Cowboys' Jason Hatcher, while Kyle Williams remained in fourth. Dareus is just 6,079 votes behind Hatcher.

Mario Williams was overtaken barely by St. Louis Rams defensive end Robert Quinn for second place far behind Watt.

Byrd broke into the top 10 last week and then jumped up to eighth at free safety. Aaron Williams, coming off perhaps his best game, dropped to seventh at strong safety.

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