Cubs' Santo remains hospitalized

6/2/2010 - MLB Chicago Cubs

PITTSBURGH -- Chicago Cubs radio color analyst Ron Santo remained in a hospital Tuesday after complaining of feeling listless during his broadcast on Monday night.

Santo, 70, checked into the hospital on Monday and was undergoing a battery of tests.

A Cubs spokesman said Santo is hoping to be able to go home Wednesday.

Judd Sirott will fill in on WGN on Tuesday as the Cubs play the Pittsburgh Pirates. Dave Otto will start filling in Wednesday.

Santo suffers from diabetes.

Bruce Levine covers baseball for ESPNChicago.com.