PWinsider and Seescoops reported today that there is concerns backstage that creative are overworking top tier talent like Cena and CM Punk by having them pull double duty on both Smackdown and RAW all summer. Cena and Punk are scheduled to appear on every Smackdown for at least all of July. People backstage not connected to creative say that Cena needs a well deserved long break and Punk should be kept to RAW to not burn him out as well.
Smart move creative. Overwork your two arguably biggest stars and increase the risk of injury. Keep them on one show at least.
Source
While Cena and Punk will help add some needed star power to SmackDown, there is concern that both men (especially Cena) are being overworked. This has been discussed a lot behind the scenes lately, that WWE has been working its top performers harder than ever.
Smart move creative. Overwork your two arguably biggest stars and increase the risk of injury. Keep them on one show at least.
Source