The St. Louis Cardinals are in the middle of a huge rebuild right now. They traded three of their top relievers, all on expiring contracts, at the trade deadline last season. This trio of moves helped net the Cardinals a few solid prospects, but the rebuild took off in the offseason, as the Cardinals traded four cornerstone veterans to bolster their future instead of their present day roster. They're in the perfect position to make a few more moves to chase their rebuild this season, especially after the latest big MLB injury. Edwin Diaz of the Los Angeles Dodgers has an elbow injury, and he will undergo surgery to fix it. He's expected to be out for a few months and could need additional time to work up to full strength whenever he returns to the mound. As a result, the Dodgers could desperately hit the trade block in search of an additional bullpen arm. The Cardinals have the perfect option. JoJo Romero makes a lot of sense as a trade fit for the Dodgers Apr 10, 2026; St. Louis, Missouri, USA; St.…