Grady Sizemore's latest comeback has already stalled. The Indians' oft-injured, hard-luck outfielder is hurt again. Sizemore will likely miss Opening Day for Cleveland with a strained lower back, an injury the former All-Star suffered while fielding ground balls as he prepared for what he hoped would be a healthy season. Read more: http://espn.go.com/mlb/spring2012/s...y-sizemore-cleveland-indians-miss-opening-day