Getty Images
In the seventh inning of the A's 4-2 win, Sogard executed a squeeze bunt to give the A's their fourth run. Garza was seen screaming at the A's dugout, possibly upset that the A's were taking advantage of his struggles with playing defense (see GIFs below).
When asked about the incident after the game, Garza simply said that he was asking Sogard "if there were any good places to eat in Oakland" (via Jeff Wilson).
However, after the game, Sogard's wife apparently said something that angered Garza again, which led to the rant seen below on Garza's private Twitter account (via Lana Berry). During the rant, Garza said, among other things. "certain people can't shut there (sic) woman (sic) up" and "[baseball is] a mans (sic) game, and keep you (sic) trap shut!"...
Twitter.com/Lana
Garza later offered an explanation for his rant, if not an apology (via Matt Young)...
Twitter.com/mjoven1975
Here is the original play...
And here is Garza walking back to the dugout and screaming in the direction of the A's dugout...