Justin Maxwell is still wearing a brace on his fractured left hand and knows it’s too early in his the rehab process to become excited about returning. The upbeat Astros center fielder remains optimistic, though. He’ll receive an X-ray mid-week. If Maxwell’s hand shows progress, he could begin a rehab assignment in mid-May, moving his return to the front of a 4-6 week timetable. “I can’t change what happened. The only way it’s going to get better is through healing. … The more positive you are in your attitude, the quicker it’s going to heal,” said Maxwell, who fractured his hand April 23 after being hit by a pitch. “I’m [...]