Hunter Pence's offseason training includes pushing cars up mountains

Hunter Pence signed a five-year extension with the Giants at the end of last season. In preparation, the scooter-riding right fielder has probably been taking some extra swings and fielding a few more fly balls this winter. Oh, and he's also been pushing cars up mountains:

Not to be outdone, Pence's teammate Jeremy Affeldt put his own body to the test:

Sorry, @JeremyAffeldt wins http://t.co/ekjs0rXmhP "@hunterpence: I'm changing my name to Hunter Andrew SuperSpeed. http://t.co/SpeFxhWg1q"

- Jason Katz (@JasonKatzMLBP) January 6, 2014