**Cardinals All-Star break roundup: Walker shines, roster moves made** - **Cardinals | All-Star Game** — St. Louis players represented in the Midsummer Classic; mixed reviews on individual performances - **Cardinals | Jordan Walker** — Walker pocketed more from the Home Run Derby win than his entire 2026 salary - **Cardinals | Jordan Walker** — Barry Bonds gave Walker his stamp of approval, a massive co-sign for the young star - **Cardinals | Matt Koperniak** — St. Louis released the outfielder, clearing a roster spot - **Cardinals | Roster move** — Cardinals also cut ties with 28-year-old, continuing quiet offseason trimming - **Cardinals | Warning sign** — One team flaw identified that analysts say could haunt St. Louis down the stretch **Watch:** Whether Walker's Derby momentum carries into the second half starting this week. The lineup's set. Drop in.