Cardinals manager Oliver Marmol explained what really caused his fiery exchange with umpire C.B. Bucknor

The St. Louis Cardinals had plenty to be happy about when they left Arizona this weekend.

They swept the Diamondbacks while riding a seven-game winning streak.

Chase Field looked like Busch Stadium. And they’re starting to pull away in

the NL Central standings as Albert Pujols chases 700 home runs. 

But … Cardinals manager Oliver Marmol did have one issue with the otherwise successful weekend,

and that came courtesy of umpire C.B. Bucknor.

Marmol was ejected in the third inning on Sunday when Bucknor called a first-pitch strike on an obvious inside pitch to Nolan Arenado.

The reaction from Arenado said it all, but the fireworks really sparked when Marmol

got tossed for complaining about the call. That led to the two shouting at each other from *very* close range.