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Portland (13-14) and Vancouver (14-14) play average baseball and keep it close in the division.

San Diego has an outstanding 19-9 month and remain in 1st place, largely on their insane 14-1 record in 1-run games. LA slips back despite a 16-14 record in the month.

Oklahoma takes charge of the division going 17-12 as Windy City moves up the ranks after a 16-14 May. StL is still trying to put it altogether, playing an up and down 14-15 mark in the month, winning 7 of their last 9 games.

Texas makes a power move, posting the 2nd best record in May, 20-9. Division rival Monterrey responds with a NABO best 23-6 record in the month.