SAN FRANCISCO — New Giants manager Tony Vitello has been coy about roster decisions all spring, mostly saying that he wants things to be competitive. But with the Giants getting ready to fly back home, there’s a lot more clarity about what their initial 26-man roster will look like.With their latest round of cuts, the Giants reassigned outfielder Victor Bericoto, infielder Osleivis Basabe and right-hander Gregory Santos to minor league camp. They’re down to just 40 players in camp, and only five non-roster invitees.The only non-roster position players left in camp are catcher Eric Haase and outfielder Jared Oliva. The remaining NRI pitchers are Joey Lucchesi, Michael Fulmer and Caleb Kilian. Haase has been pushing Daniel Susac for the backup job, but it would be a stunner if the Giants part with a Rule 5 pick, especially because Susac has had a good spring at the plate. Oliva is going to run away with the Cactus League stolen base crown and has 13 in 14 attempts. He’s a fascinating potential bench piece and also a plus defender, although he hits right-handed, and the bench is currently in need of left-handed bats. The Giants could end up with...