SI.com has learned that Tony Gwynn and Cal Ripken Jr. have agreed to join TBS as analysts for the cable network's major league baseball package. A formal announcement is expected Thursday in New York City. Ripken has signed a multiyear deal and will serve as the cable network's top studio analyst alongside host Ernie Johnson for coverage of the 2007 Division Series games and National League Championship Series. Gwynn will partner with play-by-play announcer Chip Caray on TBS' No. 1 broadcast team. He and Caray will call this year's Division Series and NLCS. Both Gwynn and Ripken are expected to make their TBS debut July 1 for coverage of the MLB All-Star Selection Show.