Former Notre Dame standout and NFL defensive lineman Louis Nix III was reported missing in Florida by his family on Saturday.The 29-year-old Nix was last seen at his father’s home in Jacksonville on Tuesday, according to a missing persons’ flyer posted by his family.The family said Nix drives a 2014 gray Hyundai Azera. Nix’s mother told Action News Jacksonville that she believes her son is in danger as this behavior “…is out of the normal for him.”Nix was shot in an attempted robbery in December when he said he was putting air into his vehicle’s tires at a Jacksonville gas station.Nix posted the following on Twitter on Dec. 9: “I’m alive everyone. The bullet that hit me ricocheted off my sternum into my lung. Surgery is the next step so keep praying for me. Thank you all for the positive energy and prayers.”On Dec. 19, Nix posted that he was released from the hospital.Notre Dame coach Brian Kelly was among the many people putting out the call for help on Saturday.”NOTRE DAME Nation: Let’s all do our best to reach out and connect with Louis Nix. Louis, let us know you are doing alright or that you may need your NOTRE DAME family and friends for assistance,” Kelly tweeted.Nix, a nose guard, recorded 122 tackles in 34 games (30 starts) over three seasons (2011-13) for the Fighting Irish. He had 14 tackles for losses, including 2.5 sacks.