Astros insider: Zack Greinke's patented slow curve and a shaky start
Did Astros' Zack Greinke call his pitches against the A's?
Zack Greinke Only Builds His Unique Legend With Incredible Pitch Calling Trick — Here's the Sign, Now Try and Hit It
Zack Greinke Only Builds His Unique Legend With Incredible Pitch Calling Trick — Here's the Sign, Now Try and Hit It
Zack Greinke: Should We Be Worried? - The Crawfish Boxes
Zack Greinke was purposefully giving away his pitches and got outs anyway
Astros Zack Greinke batting eighth and will pitch against Atlanta
The mystic mind of Zack Greinke during his time with Arizona
Kansas City Royals lose on walkoff sac fly, but Zack Greinke reaches this MLB milestone
Greinke and Brewers Shut Down the Mets - The New York Times
Zack Greinke joins elite company, becoming only the fifth pitcher in AL/NL history to strike out 1,000 DIFFERENT batters! : r/mlb
Zack Greinke Only Builds His Unique Legend With Incredible Pitch Calling Trick — Here's the Sign, Now Try and Hit It