ˌɔn ɪlˈɛvən mˈeɪ tˈuː θˈaʊzənd ɪlˈɛvən, ɪnðə lˈæst mˈɪnɪt ʌvðə fˈɜːst hˈæf əvə lˌæ lˈiːɡə hˈoʊm fˈɪkstʃɚɹ ɐɡˈɛnst sɛvˈɪlə ˌɛfsˈiː ᵻvˈɛntʃuːəl θɹˈiː tˈuː hˈoʊm wˈɪn, nˈeɪlsən kəlˈaɪdᵻd wɪð əpˈoʊnənt lɔːtˈæɹoʊ ˈækɔstə, fɹˈæktʃɚɹɪŋ hɪz lˈɛft ˈæŋkəl ɪnðɪ ˈaʊtkʌm.
On 11 May 2011, in the last minute of the first half of a La Liga home fixture against Sevilla FC (eventual 3–2 home win), Nélson collided with opponent Lautaro Acosta, fracturing his left ankle in the outcome.