The New York Yankees have a solid starting pitching rotation, but the primary issue is that none of the options seem to be the clear-cut ace. Both J.A. Happ and Luis Severino have performed extremely well at times, but an ace is a pitcher that, when called upon, provides stellar performances on a consistent basis.
The key word is consistency, and Severino lost his touch in the second half of 2018, sending his once impressive numbers into a tail-spin. Some believe he was tipping pitches, while others think his dropoff might have been due to an injury.