A-Rod closing gap in Yankee Run Factor
New York Yankees' Alex Rodriguez reacts after sliding past Colorado Rockies catcher Matt Pagnozzi to score during the third inning. (June 25, 2011) Credit: AP
Alex Rodriguez boosted his batting average to .300 last week, thanks in part to .382 clip over his last 10 games. His seven RBIs also helped him gain 60 points on Curtis Granderson for the lead in Yankee Run Factor.
Here is this week's report (with explanations below the chart):
| PLAYER | G | PA | R | RBI | HR | YRF/G | YRF/PA |
|---|---|---|---|---|---|---|---|
| Curtis Granderson | 76 | 335 | 68 | 55 | 21 | 1.342 | .304 |
| Alex Rodriguez | 71 | 305 | 48 | 51 | 13 | 1.211 | .282 |
| Mark Teixeira | 75 | 332 | 47 | 58 | 23 | 1.093 | .247 |
| Robinson Cano | 75 | 317 | 46 | 48 | 14 | 1.067 | .252 |
| Derek Jeter | 62 | 293 | 39 | 20 | 2 | 0.919 | .195 |
| Nick Swisher | 72 | 303 | 35 | 38 | 9 | 0.889 | .211 |
| Russell Martin | 58 | 229 | 24 | 30 | 9 | 0.776 | .197 |
| Francisco Cervelli | 21 | 68 | 6 | 11 | 1 | 0.762 | .235 |
| Jorge Posada | 61 | 220 | 17 | 35 | 8 | 0.721 | .200 |
| Brett Gardner | 75 | 258 | 39 | 18 | 4 | 0.707 | .205 |
| Eric Chavez | 17 | 39 | 5 | 6 | 0 | 0.647 | .282 |
| Andruw Jones | 31 | 83 | 8 | 12 | 4 | 0.516 | .193 |
| Eduardo Nunez | 44 | 107 | 11 | 12 | 2 | 0.477 | .196 |
| Chris Dickerson | 25 | 20 | 4 | 3 | 0 | 0.280 | .350 |
| Ramiro Pena | 8 | 16 | 2 | 1 | 1 | 0.250 | .125 |
| Gustavo Molina | 3 | 6 | 0 | 0 | 0 | 0.000 | .000 |
What is the Yankee Run Factor?
The Yankee Run Factor is a fairly simple statistical metric. It takes the "Runs produced" sabermetric created by Bill James and divides it in two different ways.
Equation 1
The first equation is R + RBI - HR / G = Runs produced per game, as indicated in the chart above as YRF/G.
Equation 2
The second equation is R + RBI - HR / PA = Runs produced per plate appearance, as indicated in the chart above as YRF/PA.
The Yankee Run Factor is updated every Monday | Past Yankee Run Factor reports.
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