Time to give Haener a shot

If that line about the two backups being QB2a & QB2b was correct and still stood to any appreciable degree just a couple weeks ago, then I think you owe it to Haener to give him the next start to see if he can put some separation there after Rattler just had a couple opportunities to do so. If, however, they made a rather clear decision that Rattler was a better option for the future when they named him the starter for the Bucs game, then go ahead and keep giving him more seasoning if you want.