The Cardinals announced today that outfielder Tyler O’Neill and righty Mike Mayers are both headed onto the 10-day injured list. The former suffered an ulnar nerve subluxation in his right elbow while the latter has a strained lat.
A trio of reinforcements is headed onto the MLB roster: infielder Yairo Munoz along with righties Ryan Helsley and Giovanny Gallegos. This is the first call-up for Helsley. Outfielder Drew Robinson was optioned down to create the final opening.
The severity of the injuries isn’t yet known, but both come with at least some potentially for extended absences. Ulnar nerve issues aren’t necessarily huge problems, particularly for non-pitchers, but the Cards will obviously want to figure out the root cause and make sure that O’Neill is fully past the problem before bringing him back into the mix. In the case of Mayers, it’s impossible even to guess at a timeline without knowing the grade of the injury, but lat strains can be rather problematic for hurlers.