It might not be a terrible idea to consider changing pets a little to provide group passives.
Ferocity: Heal for 3% of all damage dealt. Heal for 6% of all damage dealt to bleeding targets.
Tenacity: Take 3% reduced damage. Take 6% reduced damage from your primary target.
Cunning: Increase movement speed by 6%. When affected by crowd control, gain immunity to all crowd control for 3 seconds (This can only occur once every 45 seconds).