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LSU’s Nick Storz gets a turn at bat during a three-inning scrimmage on the first day of LSU baseball fall practice at Alex Box Stadium. Storz, a pitcher, got to show what he could do as a batter.

LSU freshman right-hander Nick Storz will undergo surgery to fix a bone spur in his throwing shoulder next week, and will not be eligible to return until March or April, LSU coach Paul Mainieri said.

The 6-foot-6 right-hander had been dealing with shoulder discomfort since the spring, causing him to miss a chunk of his senior season at Poly Prep Country Day High School in New York.

Mainieri said doctors near Storz’s hometown were unable to detect the bone spur, which was technically diagnosed as a Bennett lesion, but it showed up on an MRI conducted by LSU’s doctor.

“I could just tell when he was throwing that he didn’t look like the same guy we recruited,” Mainieri said. “Our doctor was able, through an MRI, to discover it. It wasn’t a huge thing, and that’s why they probably didn’t see it with the MRI up north when they did it last spring.”

Storz was one of the more prominent members of LSU’s most recent signing class. Before he found out about severity of the injury, Mainieri figured Storz would be a candidate for the weekend rotation.

“He was certainly going to be a candidate,” Mainieri said. “Obviously that’s going to be put on hold.”

The Detroit Tigers selected Storz in the 31st round of the Major League Baseball draft this June.

Because of Storz’s status as a professional prospect, Mainieri said there was no point in seeking a medical redshirt.

“We’re going to get him to have the surgery, get him started rehabbing and the doctors are projecting March, maybe April before he’s ready to go,” Mainieri said.

“If you have a good year and you have one more month of the regular season plus all the postseason, he can be a force for us down the stretch perhaps.”

Storz competed in LSU's first fall practice Sunday, but did so as a designated hitter because "he can hit the ball a country mile," Mainieri said. Mainieri doesn't anticipate Storz swinging a bat after this week. 

Follow Luke Johnson on Twitter, @ByLukeJohnson.