"Let's impress our friends by showing off the strength of our left arms!"  "Good idea!": 

Was the competitor on the left eating during the match?  I'm no sports medicine guru, but I can't think of a sport where it's acceptable or even a good idea to consume food during the event.  Except eating contests, I guess.  Did the doctor who treated Kobayashi's jaw study sports medicine? -KD

Soon after the All-Star break, baseball fans in many cities realize that their team has no chance of winning the pennant (diamond devotees in Kansas City, Tampa Bay and D.C. come to this realization much sooner, around May Day).  When this recognition is made, one wants to hit another human being with the most force possible.  As there are laws against this, one waits in anticipation of the football season to experience the vicarious joy of watching feats such as this:

Wow, that video really was HI-FI, huh?  At least it's a hard hit you probably haven't seen a million times before, so just replay the goodness between the 15-20 second mark to your satisfaction.  Take as needed. -KD