Fans now have more information as to why a familiar face abruptly left NBC’s set during its coverage of the Kentucky Derby. Veteran broadcaster Mike Tirico, who lives in Ann Arbor, confirmed what was said on the broadcast on Saturday: He had a significant reaction to a nut allergy.

NBC’s Mike Tirico opened up after he was forced to cut his coverage of the Kentucky Derby short over the weekend due to his sever nut allergy being activated.

Veteran NBC sportscaster Mike Tirico was forced to exit his ninth consecutive Kentucky Derby broadcast on Saturday. The reason? It was due to a severe reaction from a lifelong nut allergy, a condition he detailed on NBC’s Today show Monday morning.