The Royals’ 40-man roster remains full.
Rosenthal, 29, was superb during Spring Training: He did not allow a run in five outings while striking out nine. His fastball ranged from 98-102 mph and he appeared to be a lock to make the 26-man roster when camp was suspended.
Skoglund, 27, appeared in just one spring game, the Cactus League opener, when he gave up three runs in two-thirds of an inning. In parts of three seasons with the Royals, Skoglund was 2-11 with a 6.61 ERA in 27 outings (22 starts).
Right-hander Greg Holland, another non-roster invitee, also has an opt-out deadline for Thursday. Holland had a 4.50 ERA in six spring outings, striking out eight and walking one. Holland had appeared to be in a comfortable groove, especially with his slider, as camp was suspended.