From the video

Travis Kelce is in a great spot this week. I don't think Rashee Rice is going to play against the Chargers. His yards per route run this year is above two, which I don't think many people had chalked up for him this year, but he's been very efficient.
STACKED’s take
Great matchup vs. Chargers; YPRR above 2.0 in resurgence season.
In a great spot this week against the Chargers. Mattek Fantasy Football expects Kansas City to win by quite a bit (7.5-8.5 point favorites with 24.5 point implied team total). Kelce is having a resurgence season with yards per route run above two, which the source did not expect. He was not great against the Raiders but has been a very stout fantasy tight end leading up to that. Without Rashee Rice, Justyn Ross, Cyrus Allen, and Justin Watson as receivers, Kansas City will lean on Kelce in the passing game. Noah Gray will play a good bit in 12-13 personnel, but the source does not think that will impact Kelce much. The source is happy to start Kelce in the flex in some leagues.
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