Regular season pitch clocks this year are a real possibility - ESPN
MLB Players React to the Pitch Clock and Baseballs' New Rules - The New York Times
New MLB rules get mixed fan reaction at spring training games
Baseball rolls out pitch clock
What players think of MLB's new rules - ESPN
Houston Astros get first look at MLB's new pitch clock
Pitchers and Hitters Are on the Clock to “Play Ball,” and So Far It's Working for Players, Managers and Fans - Jugs Sports
MLB pitch clock implemented in spring training. Is regular season next?
Rehabbing Harper To Begin Revving It Up At Spring Training
Baseball's New Pitch Clock Speeds Up the Game and Draws Mixed Reaction From Players and Fans Transcript