I'm a Dbacks fan and I own Boxberger. The key is the opposing team's batting order in the last 3 innings. Lovullo wants Bradley to match up vs the top or heart of the opposing team's order whether it be in the 7th, 8th or 9th inning. Last night, Godley pitched 7 innings. The bottom of the order was up for SF in the 8th inning so Lovullo deployed Hirono who he likes to pitch in those situations. Since the top of the order was up in the 9th Lovullo used Bradley. Boxberger will get the high majority of saves but when a starter goes deep in the game Bradley could be used if the heart of the other team's order is due up in the 9th.