No, Suisham's leg has not gotten stronger. He is kicking the ball lower, with less hangtime. This produces longer flights.
The "short" kickoffs of years past had massive amounts of hangtime, but shorter flights. The same amount of energy is being put into the ball.
I think its more of a philosophy change in the kickoff game than anything else. He's always displayed a strong leg.
My biggest gripe with him is that he hasn't put the ball between the tall yellow things with any kind of consistency.
