Al Horford, Marcus Smart injury updates: Celtics without two key players for Game 1 vs. Heat | CBS Sports Headlines Al Horford, Marcus Smart injury updates: Celtics without two key players for Game 1 vs. Heat Smart has a sprained right foot, and Horford is in health and safety protocols … Continue reading Al Horford, Marcus Smart injury updates: Celtics without two key players for Game 1 vs. Heat