Third baseman Ian Stewart, who has spent all of the 2013 baseball season at the Cubs’ Triple-A affiliate, Iowa, unleashed a Twitter rant earlier this week about his not yet being called up to the big league club.

The response drew the ire of Cubs’ management, who issued a statement calling Stewart’s actions “unprofessional.”

Focus of the Tweet by Stewart was a comment to a follower saying he will “probably never” be called up by the Cubs. Stewart is hitting .164 with four homers and 19 RBI.

Stewart has been suspended indefinitely without pay for “displaying conduct deemed detrimental to the team.”

“We’ve been paying Ian $2 million this year to do absolutely nothing,” said GM Jed Hoyer. “I really don’t care what he wants to write on Twitter, but if it gives us an excuse to stop paying him, than god bless that loveable little moron.”

When informed by reporters of Stewart’s Tweet-rant, Manager Dale Sveum said, “Ian Stewart? I thought we released him after spring training?”

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