Sims is behind to start camp, though the Reds have yet to specify why, C. Trent Rosecrans of The Athletic reports.
Sims looks like the favorite to close in Cincinnati this season, as his 4.40 ERA last year came with ERA estimators that painted a far more positive picture, with SIERA (2.50) and xERA (2.51) looking the most optimistic. His 39.0 percent strikeout rate is closer material, while his 9.2 percent walk rate was only half a point worse than league average. He was limited to 47 innings by elbow troubles, however, and his readiness for Opening Day could be in doubt if it's another elbow issue that's bothering him this spring.