On the first day of workouts here, a groundball struck Royals reliever Louis Coleman on the middle finger of his right hand. He sat out for the first week of Cactus League games. The Royals referred to the injury as a jammed finger.

On Wednesday morning, manager Ned Yost revealed the actual extent of the damage. Coleman sprained the digit and suffered a bone bruise near the top knuckle. The sprain healed. The bone bruise has not.

“They’re doing bone stimulation, and they’re doing all kinds of different stuff for it,” Yost said. “And my question is ‘OK, it’s been six weeks already. Why do we think that another two weeks is going to remedy the problem?’ And they said, ‘It’s just time. A bone bruise takes six to eight weeks to heal.’ And we’re six weeks into it.”

So Coleman appears likely to begin the season on the disabled list. The team is contemplating bringing only 11 pitchers on their Opening Day roster, which means they could include a backup middle infielder to insure against a setback with second baseman Omar Infante and his balky right elbow.

Coleman will not join the team in Milwaukee this weekend for the Royals’ final two exhibition games before the season starts Monday in Detroit. He is scheduled to throw a bullpen session on Wednesday. Yost sounded like he could not trust Coleman to appear in high-leverage situations during the season. Coleman cannot throw on back-to-back days, and his command cannot be counted upon.