Wednesday, November 28, 2012

How do Players Get Runs Assisted?

In earlier posts, I proposed the Run Assisted statistic as a complement to runs scored and RBI.  One of the criteria for Runs Assisted was:
A batter advances a runner on first to either second or third with a single, double, base on balls, hit batsmen, error, sacrifice bunt, or another kind of out.  If that runner then scores, the batter who advanced him is given a Run Assisted. If the run scored on a triple or home run, a Run Assisted would not be credited, because the advancement would be unnecessary in scoring the run. 
Tom Tango and others have questioned the emboldened portion reasoning that there are additional scenarios where an assist hit might not be necessary.  For example, suppose a team gets three straight singles to score a run. The single would be a Run Assisted.  However, if the next batter doubles scoring two more runs, the second single becomes unnecessary to the first run being scored.  This was causing a bit of confusion, I am removing the emboldened portion and giving a player an assist any time he advances a runner who later scores. That should give us a cleaner statistic

Also note that a player also gets a Run Assisted if he advances a runner to second or third and the run scores during his at bat without a his getting an RBI.  For example, if a batter singles a runner to third and the runner scores on a throwing error all during one at bat, the batter gets credited with a Run Assisted. The ways a player can get a Run Assisted (RAS) are described below:
  • A batter advances a runner to either second or third with a hit, base on balls, hit batsmen, error, sacrifice bunt, or another kind of out.  If that runner then scores either during the same at bat or an ensuing at bat, the batter who advanced him is given a Run Assisted.
  • A batter reaches base and is removed for a pinch runner or is replaced by another runner on a force out.  If the new runner then scores, the batter who originally reached base is given a Run Assisted. 
Table 1 below shows that players accumulated 5,668 Runs Assisted in the American League in 2012.  The most common type of Run Assisted was a single advancing a runner (2,306 or 41% of all Runs Assisted).  The final row of the table ("replaced by runner") tells us that there were 289 instances where a batter reached base, was removed for pinch runner or replaced by by another runner on a force out and then the runner scored.  The rest of the rows should be self-explanatory.  

About three quarters (76%) of Runs Assisted involved a batter getting on base, so it wasn't just a bunch of "productive outs".  The NL percentage (72%) was a little lower because of the greater number of sacrifice bunts.  In comparison, about 86% of plate appearances (in both leagues) when an RBI occurred involved a batter reaching base.

Table 1:  Runs Assisted by League, 2012


American League
National League
Assisted Run Type
N
%
N
%
Single
2,306
40.7
2,452
39.1
Double
415
7.3
398
6.4
Base on balls
904
16.0
967
15.4
Hit batsman
151
2.7
127
2.0
Reached on error
246
4.5
274
4.4
Sacrifice bunt
258
4.4
495
7.9
Ground out
879
15.5
1,007
16.1
Air Out
220
3.9
266
4.2
Replaced by runner
289
5.1
285
4.5
Totals
5,668
100.0
6,271
100


Tables 2, 3 and 4 below list the AL, NL and Tigers Runs Assisted Leaders respectively.  Each table is broken down by type of assist.  Twins catcher Joe Mauer was the AL leader with 68, only 12 (18%) involving an out.  Tigers slugger Miguel Cabrera was 11th with 49 RAS.  The biggest surprise on the list is probably Twins outfielder Ben Revere with 52 including 5 sacrifice bunts.  

Braves multi-position player Martin Prado led the NL with 65 RAS.  In fact three of the top six were Braves including Jason Heyward (53) and Freddie Freeman (50).  


The Tigers Runs Assisted leader was Cabrera (49), followed by first baseman Prince Fielder (44) and surprisingly Brennan Boesch (40).  The fact that Austin Jackson had fewer RAS (39) than Boesch probably says more about his spot in the batting order than anything else.  He didn't have a lot of opportunities to move runners along due to the generally weak bottom of the Tigers order. 


Table 2: Runs Assisted Leaders in AL, 2012

Player
Team
H
BB
HBP
ROE
SH
OUT
RR
RAS
Joe Mauer
MIN
36
16
0
2
0
12
2
68
Robinson Cano
NYA
34
11
1
1
0
12
3
62
Elvis Andrus
TEX
26
6
1
1
6
15
4
59
Paul Konerko
CHA
26
13
0
1
0
6
10
56
Billy Butler
KCA
25
3
3
1
0
12
8
52
Ben Revere
MIN
33
3
1
0
5
9
1
52
J.J. Hardy
BAL
23
2
2
1
4
17
2
51
Derek Jeter
NYA
27
14
0
0
2
6
1
50
David Murphy
TEX
26
7
0
6
0
9
2
50
Asdrubal Cabrera
CLE
31
5
3
0
0
9
1
49
Miguel Cabrera
DET
25
6
1
2
0
15
0
49
Jason Kipnis
CLE
23
11
0
1
0
14
0
49
Michael Brantley
CLE
24
6
0
4
0
14
0
48
Erick Aybar
ANA
26
3
3
7
3
3
2
47
Yunel Escobar
TOR
18
7
2
5
5
9
1
47


Table 3: Runs Assisted Leaders in NL, 2012

Player
Team
H
BB
HBP
ROE
SH
OUT
RR
RAS
Martin Prado
ATL
25
13
0
5
4
14
4
65
Matt Holliday
SLN
32
13
3
1
0
11
2
62
Adam LaRoche
WAS
23
11
0
2
0
16
2
54
Jason Heyward
ATL
29
9
0
3
0
11
1
53
Buster Posey
SFN
33
6
0
0
0
7
5
51
Freddie Freeman
ATL
16
15
3
2
0
13
1
50
Andrew McCutchen
PIT
26
12
0
0
0
9
3
50
Daniel Murphy
NYN
28
1
2
3
0
15
1
50
Chase Headley
SDN
23
16
0
2
0
8
0
49
Jon Jay
SLN
22
3
6
2
9
5
2
49
Ryan Zimmerman
WAS
27
8
0
2
0
11
1
49
Darwin Barney
CHN
26
5
1
4
1
10
0
47
Melky Cabrera
SFN
26
4
0
3
1
13
0
47
Starlin Castro
CHN
22
8
0
7
0
10
0
47
Justin Upton
ARI
34
5
0
0
0
7
0
46


Table 4: Tigers Runs Assisted Leaders, 2012

Player
H
BB
HBP
ROE
SH
OUT
RR
RAS
Miguel Cabrera
25
6
1
2
0
15
0
49
Prince Fielder
25
3
4
1
0
9
2
44
Brennan Boesch
25
0
0
3
0
11
1
40
Austin Jackson
20
3
2
1
2
9
2
39
Delmon Young
23
0
1
2
0
4
6
36
Andy Dirks
17
4
0
0
2
4
1
28
Jhonny Peralta
15
2
0
3
0
5
2
27
Quintin Berry
14
6
0
0
2
2
0
24
Ramon Santiago
10
0
2
0
3
8
1
24
Alex Avila
7
9
0
0
2
3
1
22
Omar Infante
9
1
0
1
3
5
0
19
Ryan Raburn
8
1
0
0
0
8
0
17
Danny Worth
6
2
0
0
0
3
0
11
Gerald Laird
8
1
1
0
0
0
0
10
Avisail Garcia
3
0
0
0
0
0
0
3


The information used here was obtained free of charge from and is copyrighted by Retrosheet.  Interested parties may contact Retrosheet at Retrosheet.org

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