Aroldis Chapman evolving with nasty splitter

Aroldis Chapman will turn 39 in February, and the flame-throwing marvel is thinking about what pitching might look like without his scintillating fastball. 

“I’m not 25 anymore,” Chapman said. “I’m older. I’m not throwing 105 miles per hour every day. That’s the reality.” 

Hold on a second: That’s actually something Chapman said nearly six years ago, as relayed to The…