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Wanting to boost team walks is admirable - I'm with you there.
As for Scutaro's 2009 not being fluke? He set career highs in pretty much every single stat there is. You want the full list? Okay, here are the list of stats where Scutaro set a career best (at age 33). (ignoring partial seasons)
PAs, ABs, R, Hits, 2B, HR, RBI (tie), SB, CS, BB, K -- BA / OBP / SLG / OPS
RC (by 28) - OPS+ - BtRuns (only time ever positive) - TotA, SecA
K/BB - AB/SO - GB/FB (0.58 lowest ever, by far)
Okay - maybe at 33 he had an epiphany. And Maybe Beltre had an epiphany in 2004. I'd lay 5 to 1 odds on the 25-year-old having the better odds of having just "gotten it".