Two-time All-Star Starlin Castro has goals in sight for 2013, and they go beyond being a consistent .300 hitter while driving in runs.

His dreams are about teaming with Darwin Barney as the best middle-infield pair in baseball.

''I look at him all the time and what he's done,'' Castro said of Barney's record-setting errorless streak, which stood at 131 games Monday before the Cubs played the Pittsburgh Pirates in the finale of their four-game series. Rain delayed the start of the game.