"I was struggling in the first half with a sore Achilles and I wasn't sure if I would make it to half-time to see the doctor and get a pain-killing injection, " Henson explained.
The first baseman didn't play until July last year while recovering from a torn left Achilles tendon sustained in the Phillies' final game of the 2011 playoffs.
An Achilles tendon injury hampered him at the 2008 Beijing Olympics, where he didn't medal, and he missed the bronze in London by 0.63 seconds after tangling with another runner.
