Latest on Pryor's status 

September, 29, 2013
9/29/13
12:50
PM ET
UPDATE: Hopefully, this will be the final update on this situation, but apparently Pryor showed some concussion symptoms last night and will be inactive Sunday. Flynn will make his first start for the Raiders today. Read below about how he might fare for the Raiders and fantasy owners.
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UPDATE: Fox Sports' Jay Glazer is reporting that even though Pryor has been cleared, the team was informed last night that Flynn will start Sunday. Perhaps both will play, but this situation suddenly looks like it could be messy for fantasy owners. Unfortunately, the Raiders/Redskins matchup doesn't kick off until the 4:00 pm ET set of games, so we may not have an official answer until well after the early set of games has begun.
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UPDATE: Despite questions about where Terrelle Pryor stood in his recovery from the concussion he sustained last week, he has been cleared and will start Sunday versus the Redskins, a league source told the San Francisco Chronicle Saturday. He couldn't ask for a much better matchup than the hapless Redskins D (see below), so fantasy owners who need his services today should get them into their lineups.
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UPDATE: It's Saturday and Terrelle Pryor's availability for Sunday's game against the Washington Redskins will likely come down to the wire. He's been medically cleared to play but reportedly has one more test to pass.

One of the important factors this week is how practice has gone. As Raiders reporter Paul Gutierrez said, Pryor took just a few reps this Thursday and is considerably behind Matt Flynn in the offensive implementation for Washington.

"The main thing is just preparing. Matt definitely has a lot more reps than me this week," Pryor said. "I still don't know what the [situation's] going to be, but I'm still going to study these next couple days real hard as though I will be starting."

The lack of reps doesn't mean he won't play but it does give us a sense of where the two are at. Pryor's shown he can be dynamic and sharp enough to play well in the offense, even on the fly. The Raiders are keeping the information at bay for competitive reasons. Read more below for what the Raiders' Sunday might look like with Flynn at the helm.

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Matt Flynn has had one of the odder NFL careers. He worked as a backup for the Green Bay Packers for four seasons, making just two starts. In Week 17 of 2011, he went berserk in the second of those starts, racking up 480 yards and 6 TDs. Since that game, he has managed to be brought in as the presumptive starter for the Seattle Seahawks (last season) and the Oakland Raiders (this season), only to lose out to a younger QB both times. To date, that pair of spot starts for the Packers are his only career starts.