Monday, June 2, 2008
Should the Yankees be thinking about swapping Melky Cabrera for Brett Gardner?
After starting off 2008 well, Melky Cabrera's been mired in a horrific slump. Through April 24th Melky was hitting .309/.380/.515. Since then he's only hitting .250/.295/.367. His defense has been solid according to zone rating, as he have saved 2 runs above average (on pace to be +7), but his offense has been a disappointment.In the meantime, Brett Gardner appears to be having a strong season for Scranton in AAA. Does bringing Gardner up to take some playing time from Melky make any sense?
The first thing we should do is translate Gardner's minor league performance to its Major League Equivalency.
| G | AB | H | 2B | 3B | HR | RBI | SB | CS | BB | K | HP | AVG | OBP | SLG | |
| 2008 AAA | 53 | 184 | 53 | 8 | 7 | 3 | 22 | 19 | 7 | 38 | 42 | 0 | .288 | .410 | .457 |
| 2008 MLE | 53 | 178 | 47 | 7 | 5 | 3 | 18 | 12 | 6 | 27 | 45 | 0 | .264 | .359 | .410 |
That would be an improvement over Melky's current line, but we can't ignore Gardner's body of work coming into this year. He projected to hit .253/.326/.327 on average coming into this year. If we weigh his projections at 70% and then give his MLE a 30% weight, we get a revised projected line of .258/.343/.366. Here's how Gardner's revised projection would compare to what Melky is currently on pace for as well as Melky's revised projection using the same 70%/30% split.
| Projection | PA | AB | H | 2B | 3B | HR | RBI | SB | CS | BB | SO | HBP | AVG | OBP | SLG | BR |
| Gardner | 650 | 573 | 148 | 22 | 11 | 6 | 52 | 37 | 15 | 74 | 135 | 1 | .258 | .343 | .366 | 74 |
| Melky(pace) | 650 | 598 | 159 | 23 | 0 | 19 | 78 | 10 | 3 | 49 | 78 | 3 | .265 | .323 | .400 | 75 |
| Melky(rev prj) | 650 | 588 | 162 | 27 | 4 | 13 | 76 | 13 | 4 | 53 | 77 | 3 | .276 | .335 | .401 | 78 |
BR are batting runs by linear weights (not position-adjusted or compared to average). Offensively at least, there's not much difference here. Gardner may get on base at a slightly better clip and has the edge on the basepaths, but Melky's better power makes up for that. There's also the concern about how someone like Gardner's game would translate to the majors, which is not something that MLEs can capture.
Assuming the MLE is accurate, it then comes down to a question of defense. The only real edge Gardner could have on Melky is on catching fly balls, and he may give some of that back with his arm.
So no, replacing Melky with Gardner is most likely not much of an upgrade.
And unrelated to the Yankees, I helped Chris Jaffe run some simulations to determine the best Cubs team ever and it's posted over on the Hardball Times. I think I'm going to do this for the Yankees at some point as well.
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