Every game presents a challenge for the Rockies’ floundering offense. Wednesday night’s 5-2 loss to the Padres presented a unique puzzle the Rockies couldn’t solve. San Diego started knuckleball right-hander Matt Waldron, who had no problems making his pitch dance in the mile-high atmosphere at Coors Field. Over six innings, he gave up one run on four hits and struck out five in his first trip to LoDo. Waldron said the baseball behaved “weird.” “Definitely.