Thanks to Gary Hill for sending in this report:
I attended the Nottingham UK house show on Tuesday the 23rd of April and myself and my family sat front row near the ring steps.
Just before Cena put Ryback through a table with the AA he appeared to hobble to the right then stabilize himself.
Once Ryback was on the floor Cena lightly hopped to the ropes and pretended to tie his boot lace, whilst doing this he made an X to the medic and Justin Roberts and pointed to his right foot.
I have attended live events religiously since 2005 & this is the first event that Cena did not walk around the ringside crowd and sign autographs.
I'm guessing that this was when he injured himself on the European tour.
ORIGINAL: As noted late last night here on the website, it appears that John Cena worked the second half of the WWE European Tour with his heel injury. At this time, it is believed that Cena suffered the injury on April 21st in a tables match with Ryback. Following that injury, Cena continued to work the tour, but was placed in six-man matches with Kane and Daniel Bryan, teaming up against Ryback, Dolph Ziggler and Big E. Langston. The injury was also why he was protected on last week's edition of RAW from London, and kept out of the dark main event.
Cena posted the following on Twitter today…
Up and at em' @WWE its #worldwishday and I'm in NYC for something special, then 2 #raw I WILL be there tonight! Hobbling or not #nevergiveup