Free space isn’t as easy to find this spring in the Texas Rangers’ clubhouse, a byproduct of having 63 players in camp.

Most of the them are pitchers, and most of the pitchers are relievers. Most of the relievers — the vast majority, actually — don’t know where they’ll be March 31, when the Rangers open the 2013 season.

There are bullpen jobs to be had this spring, and there is no shortage of talented arms trying to grab a spot.

Some club officials believe the field of relievers is so deep that 10 to 12 candidates will have made a strong enough case to be on the Opening Day roster. Only seven will go to Houston, and Joe Nathan and Jason Frasor already have a seat on the charter.

The competition is under way for the five remaining spots.

Among the contenders are the major-leaguer received in the Michael Young trade, a former National League All-Star, a Rule 5 selection and a right-hander who threw the fourth-fewest fastballs in the game last year.