Zero chance they move Ownenu midseason. In the offseason, his nonguaranteed salary and cap number are kind of egregious so they might consider opening up the hole, but no way you do it midseason. If you trade him now as opposed to waiting until the offseason to cut him, if they don't want him, the only benefit would be saving the rest of his salary this year (about $6M using halfway point). And then you have to replace him on the roster with a player, so it's more like $5.5M. It just doesn't make sense. This isn't a Dugger or White situation where they weren't playing. Onwenu is an every down starter. Sure, he's overpaid but the comparisons end there. It's apples to oranges.
Chubba Hubbard has a $5.6M salary guaranteed for injury next year (but not fully guaranteed). He's been bad while Dowdle has been very good. I could see CAR wanting to clear that salary risk if they expect to cut Hubbard, but they do keep starting him over Dowdle and seems like he's a culture guy. Not sure they're inclined to jump ship so quickly, but worth a call.
Alex Wright seems like a super solid pickup. Seems to be a good edge run defender that can also rush well enough. Would be a good "platoon" partner with Chaisson to steal a baseball term, if you will. He's a FA after the year, but young so maybe if both sides enjoyed the experience together if we traded for him then he'd extend in the offseason.
If the Eagles traded Brown it's worth exploring, but feels like it could be disruptive midyear. I'll never complain about adding a great player, but I'd almost prefer to aim lower at WR if they add one. Just get a good, solid #3 in here.