Nathan during Below Deck Mediterranean Season 11 Episode 8. How did Nathan Gallagher get injured during Below Deck Mediterranean Season 11? RELATED: Nathan Gallagher Gets Emotional As He Reflects on His Professional Evolution: "Freedom"He then revealed that he had a history of back issues. Nathan during Below Deck Mediterranean Season 11 Episode 8. ICYMI, this wasn’t the first injury for the deck team during Below Deck Med Season 11, as Cooper Dawson suffered an allergic peanut reaction earlier in the season.