Alonso said following that game that he felt “awful” about what had happened, even though Mendoza told him Senga said he felt something in his hamstring before the throw.

The shift from starter to reliever might seem like a subtle nuance on paper, but the reality is much messier.

Two years ago, Baty said he felt a similar tightness in his left groin after stealing a base, but it was resolved with treatment.