Khalil Shakir and Adam Thielen are among UPI senior sports writer Alex Butler's four must-start wide receivers for Week 15 of the fantasy football campaign, when most leagues start the playoffs.

Fantasy football rankings from Matt Bowen, Mike Clay, Tristan H. Cockcroft, Daniel Dopp, Eric Karabell, Liz Loza, Eric Moody and Field Yates.

Is Calvin Ridley poised to make noise in a favorable matchup? Will Deebo Samuel get back on track in a huge game against a division rival? Check out all of Michael F. Florio's WR starts and sits for Week 15 of the NFL fantasy football season.