Heroic Highmaul has been released, and I am happy to say we're doing extremely well. Just browsing Warcraftlogs you can see that the top parses for Warriors in Heroic Highmaul are almost all Gladiators.
Looking at the first two bosses we did extremely well. The Arms warrior who beat us on Kargath only did 11K DPS to Kargath himself ( with glads bringing in 22k ). Arms is for killing adds, and this is expected.
The top ranked Formality has a glad and arms warrior at around 18k dps.
Near the bottom of their raid. Link
Enigma had a Glad doing 22k dps here. Middle of the pack.
Consolium at 21k DPS here. Also middle of the pack.
Kargath is an easy fight with only a few short windows to do aoe burst ( the coliseum adds ) so unless the Glad is going up there, and planning for that burst it's going to fall behind Boomkin, Ret, and of course Arms. Rest assured though, planning for burst that inconsequential is padding ( anyone remember Mythic Immerseus? ).
A fight more in our favor would be the Butcher. Basically Patchwerk, and depending on strat, you really shouldn't lose more than a second or two on the boss ( when he knocks us back ).
Hard in the Paint - Jin with a respectable 21k DPS, Ranking 6th in his raid.
Reckless - Rigge in 5th at nearly 23k DPS. Ranking 5th.
Enigma - Tartarus at 22.1k DPS. Ranking 4th.
Adapt - With TWO Gladiators at 3rd and 6th.
So we're not topping the meters, but the difference between us and the top class is within a thousand or two dps. NOT TOO BAD Gladiators. I can't wait to see how we do in Mythic, once we've had a week to gear up.
One other note is the Hotfixed Trinket Changes make Knight's Badge extremely desirable for Gladiator's now. Far outshining the Skull of War.