• Tom Cooney, ranked by MLB.com as the Cardinals' 10th-best prospect, allowed one run and four hits over six innings in his Triple-A debut Saturday. He also struck out nine in Memphis' 11-1 victory. Leading the offense was catcher Audry Perez, who connected for a grand slam and finished with five RBIs.
• Aledmys Diaz, the 23-year-old Cuban shortstop the Cardinals signed on March 9, has made three pinch-hit appearances for Springfield [Mo.] since the Double-A season began. The Cardinals have delayed giving him his first start as they continue to get him into better game shape. Diaz was ineligible to play in games for about 18 months preceding his signing.
• Tony La Russa (11 a.m. CT) and Lou Brock (11:15 a.m. CT) will make guest appearances in the Chatting Cage, sponsored by MLB.com and Edward Jones, on Monday. By going to MLB.com/chattingcage, fans can participate in the video chat and ask questions of both La Russa and Brock.
Jenifer Langosch is a reporter for MLB.com. Read her blog, By Gosh, It's Langosch, and follow her on Twitter @LangoschMLB. This story was not subject to the approval of Major League Baseball or its clubs.