Kansas City Royals

Bailey Falter

SP

Falter was originally slated to start Tuesday's contest, but manager Matt Quatraro instead deployed the southpaw out of the bullpen to evaluate his versatility and adaptability, Anne Rogers of MLB.com reports. Falter responded with his best outing of the spring, entering in the fourth inning and striking out five of the nine batters he faced while averaging 93.6 mph on his fastball, up from 92.1 mph last season. The 28-year-old appears to be on the outside looking in for a spot in the Royals rotation, especially if the club sticks with a traditional five-man group, so his ability to pitch effectively in relief could boost his chances of making the roster as a left-handed bullpen option.

Michael Wacha

SP

Wacha performed about as well as one could have expected in his season debut against a tough Atlanta lineup, scattering three singles across six shutout frames. The veteran right-hander had also been in line for the win, but Carlos Estevez imploded in the ninth inning by yielding six runs and blowing the save. Wacha threw 80 pitches Saturday, so he'll be looking to increase his pitch count in his next scheduled start at home versus the Brewers.

Carlos Estevez

RP

Estevez suffered a left foot contusion during an appearance Saturday in Atlanta when he was struck by a line drive. The reliever has also been dealing with velocity and delivery issues that have affected his performance, and he'll get a chance to work on those while on the IL and presumably a rehab assignment. Estevez will be eligible to return April 14, but his timetable is currently up in the air. Lucas Erceg has stepped in as closer for the Royals and should continue in that role indefinitely.

Michael Massey

2B

Massey is on the mend from a low-grade left calf strain and is set to see live competition beginning Tuesday. He figures to appear in at least a few minor-league matchups, and while he's first eligible to be activated Wednesday, a return over the weekend seems more likely.

James McArthur

RP

McArthur had surgery last offseason to insert two screws into his right elbow to help stabilize a stress fracture and then had another procedure in July to remove the screws after they had caused an allergic reaction. The Royals are calling his injury elbow inflammation, and it's unclear when he might be ready for his season debut.