Jackson is dealing with an ankle injury, and the Ravens list him as out for Week 7. He was limited in practice all week and carried a questionable tag out of Friday's report, so this is a change from where things stood 24 hours ago.
ESPN's Ravens beat writer adds that Tyler "Snoop" Huntley will start for Baltimore, which would be his third straight start. Jackson was also ruled out for the Week 6 game at Cleveland, so this is a second missed week in a row tied to the same ankle problem.
For RSO owners, the decision is simple for this week. Jackson cannot score for you on Sunday, so any manager who left him in a starting spot on the strength of the questionable tag needs to swap in another quarterback before the early games lock. In superflex and two-quarterback leagues, this is the more painful hit, since replacement options on most waiver wires are thin by late October.
Huntley is a short-term streaming option at best. He has the job for at least one more week, and his value disappears as soon as Jackson is cleared.
Do not treat this as a reason to sell Jackson at a discount. Missing two games with an ankle injury is frustrating, but nothing in Saturday's news points to a longer absence or a trip to injured reserve. If a league mate is offering a fire-sale price, that is worth a look from the buying side. If you hold him, keep your contract plans unchanged.