A second experiment for Daniel Murphy 

February, 23, 2012
2/23/12
8:09
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Tim TeufelAdam Rubin/ESPNNY.comDaniel Murphy (right) has been working on his defense under the eye of Tim Teufel.
PORT ST. LUCIE, Fla. -- Johan Santana has a heat balm that can make you feel like you're resting on the planet Mercury, and before Daniel Murphy went out on a back practice field Wednesday morning to resume his quest of mastering the position of second base, he slathered some of the substance on his knees.