ESPN Bills reporter Mike Rodak suggests Matt Cassel might be on the roster bubble entering training camp.
Matt Cassel had a "brutal" day during Wednesday's OTAs.
The Bills are giving all three of their quarterbacks equal reps at their voluntary minicamp this week.
The Buffalo News' Vic Carucci reports the Bills are looking to extend Matt Cassel's contract to make it "cap friendlier."
WGR 550 Buffalo's Joe Buscaglia expects Matt Cassel to be the Bills' Week 1 starter.
Bills acquired QB Matt Cassel and a 2015 sixth-round pick from the Vikings in exchange for a 2015 fifth-round pick and 2016 seventh-round pick.
Vikings GM Rick Spielman hinted Matt Cassel would return as Teddy Bridgewater's backup in 2015.
Matt Cassel has a $500,000 roster bonus due on March 17.
Matt Cassel will undergo surgery to repair his broken foot on Friday.
Vikings placed QB Matt Cassel on injured reserve with a broken foot, ending his season.
Matt Cassel fractured several bones in his foot during Sunday's Week 3 loss at New Orleans and is out indefinitely.
Matt Cassel was forced from Minnesota's Week 3 game against the Saints with a left toe injury, and will not return.
Matt Cassel completed 19-of-36 passes for 202 yards, one touchdown and four interceptions against the Patriots Week 2.
Matt Cassel completed 17-of-25 passes for 170 yards and two touchdowns in the Vikings' Week 1, 34-6 throttling of the Rams.