MINNEAPOLIS -- What happens in the clubhouse, stays in the clubhouse.

It's an unofficial code of behavior followed around Major League Baseball. On Monday night at the Metrodome, that code would have to be amended for the White Sox: What happens in the dugout, stays in the dugout.

After an Alexi Casilla stolen base in the bottom of the second inning of the Twins' 4-3 win, an agitated A.J. Pierzynski exchanged words with shortstop Alexei Ramirez in the Chicago dugout between innings. Ramirez was covering second base on the stolen-base attempt.

The comments from Pierzynski, which continued as he walked away from Ramirez, culminated with Ramirez angrily walking toward Pierzynski and eventually being pulled away by right fielder Jermaine Dye. Most of the exchange was caught on camera, leaving the White Sox parties involved with some explaining to do.

After the game, the White Sox had few specifics to share regarding the dugout disagreement.

"I'm not commenting on that," Dye said. "Go ask the players involved or the manager."

Pierzynski and manager Ozzie Guillen had little more to say about what transpired.

"That's us, that's private," Guillen said.

"Whatever happened, happened," Pierzynski said. "It's over. You move on. And that's it."

This exchange of words also followed an inning in which the White Sox committed two errors, leading to a pair of unearned runs. Pierzynski said the disagreement had nothing to do with the poor inning or the White Sox rough road run.

"[It] had nothing to do with anything, had nothing to do with the way the team is playing," Pierzynski said. "It happened. It's over. We'll move on."

Guillen echoed the same sentiment. But a combination of the White Sox miscues, their fourth loss in five games on an important seven-game road trip against American League Central foes, and the disagreement among comrades left the manager a little bit more animated than usual.

When the parties involved had calmed down, Guillen whipped a towel to the ground and then kicked a bucket of chewing gum. Numerous pieces went flying on to the field near the dugout, bringing an end to a brief in-house disturbance.

"I don't like my players digging into each other for no reason," said Guillen, intimating the cause of the spat. "I'm the one that makes those calls. I was a little upset about it, but that's part of the game."