Infielder Jimmy Rollins.Elsa/Getty Images
The San Francisco Giants enter spring training with uncertainty in the outfield and an open competition for the backup infield spots.
That's good news for fringe players, including non-roster invitees hoping to make an impression in the Cactus League.
Generally, NRIs are prospects getting their feet wet or middling journeymen chewing through inconsequential exhibition innings. Occasionally, though, they force their way into the conversation and on to the 25-man roster.
Here are four non-roster hopefuls from this complete list (via MLB.com) with a fair-to-realistic chance of breaking camp with the big club and heading to AT&T Park for Opening Day.