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New York Mets leaders in bases per out

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The Mets invented their own internal stat, but it's not real hard to figure out how it works and see how the Mets did last year.


The Mets use a stat called bases per out internally to help evaluate offensive performance and as a benchmark to measure how well players fit into their overall organizational philosophy. The Mets haven't spelled it out exactly, but it's pretty easy to figure out what it means.

Bases infers total bases with walks mixed in. Outs infers at bats where the batter makes an out. Per means it's a rate stat and you should divide. I added hit-by-pitches to bases and assumed that errors and fielders' choices counted as outs. I multiplied the bases by two because the original article suggest Mets players would get $200 for a base but lose $100 for an out. So here are the Mets' leaders from last season.

Player Bases Outs BPO
David Wright 281 300 1.8733
Marlon Byrd 252 311 1.6206
Lucas Duda 196 249 1.5743
Josh Satin 107 138 1.5507
Daniel Murphy 307 475 1.2926
Ike Davis 164 254 1.2913
Andrew Brown 73 118 1.2373
Anthony Recker 67 109 1.2294
Justin Turner 89 146 1.2192
John Buck 172 291 1.1821
Kirk Nieuwenhuis 44 78 1.1282
Eric Young 160 287 1.1150
Rick Ankiel 29 54 1.0741
Juan Lagares 160 304 1.0526
Omar Quintanilla 128 250 1.0240
Mike Baxter 55 108 1.0185
Jordany Valdespin 53 108 0.9815
Travis d'Arnaud 38 80 0.9500
Matt den Dekker 21 46 0.9130
Wilmer Flores 33 76 0.8684
Collin Cowgill 21 50 0.8400
Ruben Tejada 70 169 0.8284

That seems roughly like a ranking of the Mets' best hitters last year. Andrew Brown, Josh Satin, and Anthony Recker's standing on this list probably has a fair amount to do with why they made the 2014 roster. The league-average BPO last season was 1.2959, which means that most of the Mets were actually below that, and that correlates with the Mets' below-average offense.

How did the Mets' offseason acquisitions fit with their stat? The two main hitters the Mets acquired, Chris Young and Curtis Granderson, did okay from 2011 through 2013. Here they are, along with some other prominent names that were linked to the Mets.

Player Bases Outs BPO
Chris Young 666 961 1.3861
Curtis Granderson 907 1075 1.6874
Nelson Cruz 847 1097 1.5442
Stephen Drew 546 802 1.3616
Michael Bourn 858 1326 1.2941
Shin-Soo Choo 916 1077 1.7010

Michael Bourn was from last offseason, and he didn't do very well in 2013, dragging his BPO down to league average. All the other guys are above average. Granderson is clearly a good signing according to this stat, but it's interesting that Nelson Cruz did better than Chris Young. The Mets probably factored defense and position into that equation, knowing that they might need someone to play center field if Juan Lagares got hurt or didn't perform.

The BPO stat is hardly groundbreaking, but it does seem to rank players pretty well with their actual ability. The best players are at the top of the list, and the bottom of the list features pitchers and guys like Jeff Francoeur. I'll leave you with a list of the seven best players by bases per out in 2013.

Player Bases Outs BPO
Miguel Cabrera 448 363 2.4683
Hanley Ramirez 224 201 2.2289
Mike Trout 447 407 2.1966
Chris Davis 452 424 2.1321
Joey Votto 424 410 2.0683
Paul Goldschmidt 434 425 2.0424
David Ortiz 369 363 2.0331