Kellen Clemens, the backup the past two years, will make his first start since 2011 on Monday night against the Seahawks.
Quinn was a first-round pick by the Browns in 2007. He has bounced around and was cut by the Jets on Monday.
Bradford injured his knee in the fourth quarter Sunday in a loss at Carolina and is expected to undergo surgery in a few weeks when swelling subsides.
More Sports Headlines
Seahawks do what rest of salary-capped NFL say teams can't do Mariners beat Twins 4-3 in 11 innings Snohomish mixed martial artist returns to her first love AquaSox strand 10, fall 3-2 to Volcanoes Seahawks release DT McDaniel , acquire CB Seisay Benches empty as Royals fall to Blue Jays Rays demote Moore, place Souza on DL with fractured hand Charles scores 29 points, Liberty beat Storm 78-62
Our new comment system is not supported in IE 7. Please upgrade your browser here.