The Acuna/Mookie MVP vote is probably gonna be really tight and I see the arguments both ways, but Acuna's consistency should give him the edge. Compare their averages/OPS by month:
Acuna:
April - .353/1.004
May - .298/.933
June - .356/1.111
July - .326/.917
August - .352/1.005
September - .343/1.121
Mookie:
April - .242/.767
May - .269/.958
June - .309/1.037
July - .305/1.011
August - .455/1.355
September - .241/.714
Acuna:
April - .353/1.004
May - .298/.933
June - .356/1.111
July - .326/.917
August - .352/1.005
September - .343/1.121
Mookie:
April - .242/.767
May - .269/.958
June - .309/1.037
July - .305/1.011
August - .455/1.355
September - .241/.714