The Undertaker Hospitalized After First Loss At WWE's WrestleMania

Legendary WWE Superstar The Undertaker was rushed to a hospital in New Orleans Sunday night after suffering a severe concussion.

WWE says Taker was injured during his match with Brock Lesnar at WrestleMania XXX -- doctors conducted various tests, including a CAT scan.

The 49-year-old wrestler suffered a concussion ... and he stayed overnight for further evaluation. He was released Monday morning.

In case you missed it ... Undertaker lost his match at WM 30 -- his first loss in the event's history -- and angry wrestling fans exploded on the Internet. #ThankYouTaker is still trending almost 24 hours later.

It's unclear if Undertaker will appear on Monday Night RAW.

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