The Chicago Cubs have sent their struggling top prospect back to the minors. Third baseman Matt Shaw was optioned down to Triple-A Iowa, the team announced Tuesday. Utility man Vidal Bruján was activated off the injured list in a corresponding move and will replace Shaw in the team's position player group.

SAN DIEGO – Standing inside the visitors’ dugout at Petco Park on Monday afternoon, Matt Shaw expressed confidence that he was on the cusp of turning a corner. He believed he had identified a flaw in