Arizona Diamondbacks starting pitcher Luke Weaver (shoulder) will throw a 60-pitch bullpen session on Tuesday. Weaver is making his way back from a right rotator cuff strain that landed him on the injured list in mid-May. The right-hander is making progress and could face live hitters soon, but he still has a ways to go and will likely require a lengthy minor league rehab assignment to build back up to a starter's workload. That means that Weaver isn't guaranteed to return to the Snakes ...