The Buffalo Bills have completed their annual camp at St. John Fisher and have their first preseason game in the book, a 23-19 win over the Indianapolis Colts. Who impressed? Who disappointed? Here’s our stock up, stock down from Buffalo’s preseason opener.  Stock up Sean McDermott With the usual disclaimer that this is preseason and teams tend to run vanilla schemes, Sean McDermott had minimal hiccups in his return to defensive play calling. The defense played fast and confidently, keeping the Colts off the scoreboard until three seconds to go in the first half. Additionally, the Bills’ defense played more aggressively than fans have seen in past years under Leslie Frazier, sending blitzes from the second level of the defense multiple times. They were 27th in blitz rate in 2022. Early signs point to a higher rate coming in 2023. James Cook When Devin Singletary was the Bills’ lead running back, every camp brought someone challenging him for the primary role. That has yet to feel like the case for James Cook in 2023. He showed why on Saturday, averaging a clean five yards per carry with 20 yards on four carries and a touchdown. Cook displayed vision following a … Continue reading Stock up, stock down after Bills’ preseason win over Colts