Kalas died Monday after collapsing in the broadcast booth before a Phillies-Nationals game. He was 73.
After a video tribute, Kalas' three sons, Todd, Brad and Kane, threw ceremonial pitches to Hall of Fame third baseman Mike Schmidt, John Kruk and Jimmy Rollins.
Mets: Placed catcher Brian Schneider on the 15-day DL because of a muscle strain in his back.
The Mets purchased the contract of Omir Santos from Triple-A Buffalo to take Schneider's place, and Santos was available for Friday's against Milwaukee.
Pirates: Optioned infielder Luis Cruz to Triple-A Indianapolis to make room for outfielder Delwyn Young, acquired two days ago in a trade with the Dodgers.
l Acquired right-handed pitcher Michael Dubee from the Chicago White Sox for infielder Andy Phillips in an exchange of minor-league players.
Cardinals: Called up right-hander P.J. Walters to help fill a hole left in the rotation when Chris Carpenter went on the DL. Carpenter is out for up to two months with a torn oblique muscle.