Lionel Messi becomes highest scorer in Barcelona 's history after hat - trick against Barcelona . The striker 's treble helps Barca to a 5 - 3 win to close on La Liga leaders Real Madrid . Messi 's haul takes his tally to 234 for the club , past Cesar Rodriguez 's long - standing record . Juve will face either Napoli or Siena in the final -- they play on Wednesday with Napoli trailing 2-1 from the first leg . The 24-year - old has 54 goals for the Spanish and European champions this season .
Lionel Messi becomes highest scorer in Barcelona 's history after hat - trick against Barcelona . The striker 's treble helps Barca to a 5 - 3 win to close on La Liga leaders Real Madrid . Messi 's haul takes his tally to 234 for the club , past Cesar Rodriguez 's long - standing record . The 24-year - old has 54 goals for the Spanish and European champions this season .