Free agent QB Kevin Kolb was arrested for boating while intoxicated over the weekend in Willacy County, Texas. Kolb was arrested on Saturday, June 28 and was released Sunday morning after spending about 11 hours in the drunk tank. Soon-to-be 30-year-old Kolb was released by the Bills in March after spending all of last season on injured reserve due to recurring concussion issues. His career is hanging in the balance.

Kevin Kolb (concussions) has yet to be medically cleared.

Coach Doug Marrone said he's still unsure whether Kevin Kolb (concussions) will resume his playing career. Kolb has suffered numerous concussions in his football career, with the latest coming in the third preseason game this past year. He spent the season on injured reserve. Kolb has been increasingly slow to recover from the head trauma and will consider hanging up his cleats. If he decides to continue playing, it likely won't be in Buffalo. He has a hefty $3.6 million cap number.

ESPN Bills blogger Mike Rodak expects the team to release Kevin Kolb or restructure his contract. This is a no-brainer. Kolb has battled concussions throughout his career, and his latest one may force him to retire. The Bills can save $3.1 million by cutting Kolb, which would seem to be the most likely scenario. Thad Lewis played decently as E.J. Manuel's primary backup and is signed for just $645,000 in 2014.

Kevin Kolb has a $1 million roster bonus due in March. Kolb's long history of concussions has his career in doubt. But even if he's cleared and healthy, the Bills would likely move on and save $3.1 million against the cap. Thad Lewis, signed for $645,000 in 2014, proved himself as a very capable backup to E.J. Manuel this season.

Bills placed QB Kevin Kolb on injured reserve with a severe concussion, ending his season. Kolb is expected to consider retirement during his year off from football.

Speaking Monday, Bills coach Doug Marrone said Kevin Kolb (concussion) will focus on getting healthy before considering retirement. Kolb has only officially been ruled out for Week 1, but he's expected to miss the entire season. Even if Kolb opts against retirement, his medicals might make the decision for him. Much like Jahvid Best and Laurent Robinson, he's going to struggle to find teams willing to clear him.

According to the Buffalo News' Tim Graham, Kevin Kolb struggled to answer questions like "where are you" and "what's you're name" following his concussion in the third preseason game. Yeah, it's probably time to hang 'em up. Graham told Sirius XM Radio's Ross Tucker that Kolb is "almost certainly done for the year," in addition to fears about Kolb's long-term health. The Bills will move forward with Jeff Tuel, Matt Leinart, and Thad Lewis competing for No. 2 duties behind E.J. Manuel.

The Buffalo News' Tim Graham reports the Bills fear Kevin Kolb's concussion may end his NFL career. "And they're proceeding with that in mind," Graham writes. It's really not surprising because Kolb has suffered numerous NFL concussions and become increasingly slow to recover. The Bills are left with Matt Leinart, UDFA Jeff Tuel, and Thad Lewis behind E.J. Manuel, who is also on the shelf with a knee scope. The Bills are going to end up rushing back Manuel, in all likelihood, to start Week 1. Kolb signed a two-year, $6.1 million contract in March that contained $1 million guaranteed. He's likely headed for injured reserve.

Kevin Kolb left Saturday's preseason game and is being evaluated for a possible head injury. Kolb finished the second series before being taken to the locker room for further tests. He appeared to be knocked in the back of the head on a first-quarter scramble, and the Bills later announced that Kolb is suffering from concussion-like symptoms. Undrafted rookie Jeff Tuel replaced Kolb in the lineup and will play the rest of the game, being he's the only healthy quarterback.