Who is the highest goal scorer in spanish la liga?

barcalona defeated old la liga team villareal 9-2 at half time the score was 2-0 to villareal and in the second half it all changed. 2 from messi,2 from eto'o, 3 from xavi,2 from keita it happened in 2008 match day 28. barclona went on to win the title by 22 points or less