DH for Defense

September 8, 2015

We all know using a designated hitter helps the offense, but I rarely think about how much it helps the defense. Obviously pitchers are used more optimally when there’s a DH in the lineup, because they don’t need to be removed for pinch hitters. More significantly, I would say, a team can use the DH slot to play a better defender than one of the regular eight, who is moved to DH. How significant? Well, the first step in finding out might be to see how often that is done. Perhaps, we will discover something else in the process.

In the American League, we can see how often the regular DH moves into the starting line-up when playing a National League city. We can fairly suppose that is a reasonable percentage of the time the A.L. team is improving its defense when it uses the DH in A.L. cities. The more often a team’s DH plays in his line-up against N.L. cities, the more likely he’d be playing against A.L. cities, if there was no DH. So, when he is DHing, his team is improving its defense by moving a better fielder to his position.

Below are the number of times the regular DH started the game in N.L. ballparks over the number of games in N.L. ballparks up through August 19, 2015. I carefully checked for platoons, injuries, and line-ups changes to choose the most appropriate "regular" DH at the time of the interleague game.

 

Yankees (Alex Rodriguez)

0/4

Jays Bleu (Edwin Encarnacion)

4/7

Orioles (Jimmy Paredes)

5/7

Rays (J. Butler, DeJesus, Jaso)

2/10

Sox Rojo (David Ortiz)

5/7

 

Royals (Kendrys Morales)

1/9

Twins (E. Nunez, K. Vargas)

1/10

Tigers (V. Martinez & 1 g. Collins)

0/7

Sox Blancas (LaRoche)

2/7

Iroquois (Dav. Murphy, Raburn)

4/9

 

Aerospace Personnel (Gattis)

3/7

Angels (Cron, Pujols, Joyce)

2/10

Rangers (Fielder)

5/7

Mariners (Smith, others, Montero)

2/10

Athletics (Billy Butler)

4/7

 

That’s 40 of 118 N.L. games the regular DH started the game as a fielder - about a third of the games (34%).

More directly with the National League teams, we can see how often an expected regular position player is moved to DH in an American League game. No N.L. club had a full-time DH, although, Ryan Howard of the Phillies, Michael Cuddyer of the Mets, Kyle Schwarber of the Cubs, and Willin Rosario of the Rockies might qualify.

As of August 19 inclusive, here are the number of games a regular position player was the DH over the number of games in American League ballparks:

 

Metropolitans (Cuddyer …)

9/10

Nats (C.Robinson, Y.Escobar …)

6/10

Braves (Markakis, C.Johnson …)

7/10

Marlins (Giancarlo Stanton …)

4/7

Phillies (Howard, Utley)

7/7

 

Cardinals (Halladay, Peralta …)

10/10

Thieves (Alvarez, McCutchen …)

9/10

Cubs (Schwarber …)

3/10

Reds (Sch’mkr, M’srco, Bruce …)

4/10

Brewers (Braun, Ar.Ramirez …)

7/8

 

Trolley Dodgers (A.Guerrero …)

1/4

Gigantics (Posey …)

6/7

Fathers (Kemp, Wallace, …)

6/10

Serpentes (Tomas, Salty, Hill …)

6/10

Rockies (W.Rosario …)

0/7

 

As you can see, National League teams have used the DH almost twice as often for a defense upgrade - or, at least, for resting one of their starting eight fielders by having him DH. So far in 2015, National League teams have done this in 85 of 130 occasions or 65%. The Dodgers and Rockies are major exceptions. Without them, the use of a regular fielder as the DH would be 71%.

By the way, the Mets were the most difficult team to say who are the regular starters. I counted Cuddyer’s early season DHing as a regular eight having moved, but his most recent appearance there as a substitute adding his bat.

I’m not sure why there is such a difference between leagues. Sure, it makes sense that American League teams would have a professional DH employed who wasn’t fit for the field. However, there is no significant correlation of the teams not putting their DH on the field in N.L. cities to having a professional DH.

The teams with the most dedicated DHs—Yankees, Red Sox, Royals, Tigers, White Sox, Astros, Rangers, Athletics, and to some degree the Blue Jays and Orioles—actually have a higher rate of moving their DH to the field (42%) than the teams with the least settled DHs (Rays, Twins, Indians, Angels, and Mariners), who averaged only 22% of the DHs starting in the field against N.L. cities. Move the Orioles over to the mix & match bunch as their DH spot was very unsettled at the start of the year until Jimmy Paredes fell into it and the percentages gets closer: 39% to 29%.

I am grateful that the two leagues haven’t agreed on the DH, so that we study the difference.

 
 

COMMENTS (4 Comments, most recent shown first)

hotstatrat
Yes, flyingfish, I agree that's why those guys play in the N.L. games. It is probably true that the most settled DHs are the best hitting DHs.

Not sure if you arguing otherwise, but that doesn't negate the assumptions: 1) that since those players play in N.L. games, they would still be Major Leaguer regulars, even if there was no DH and 2) that their teams are improving their defense by playing them at DH.

OldBackstop: yep - for whatever reasons, he was their most regular DH earlier in the season, but not later in the season. If someone isn't playing because he is hurt, he is not their regular at that moment. We are trying to see who plays and who isn't playing duirng those interleague games that differs from their intraleague games. I counted Tyler Collins as the Tigers' regular DH when Victor Martinez was hurt.

- JC of U.S. & Canada, not Mars
11:46 AM Sep 10th
 
flyingfish
If you have a great-hitting DH, like David Ortiz of the Red Sox or Alex Rodriguez of the Yankees, then you find a way to keep his bat in the lineup in an NL park. If you don't--if your DH is unsettled--then there's less incentive to keep your DH's (DHs') bat (bats) in the lineup.
4:54 PM Sep 9th
 
OldBackstop
Cuddyer is old, 36, and dinged a lot.
12:43 PM Sep 9th
 
mauimike
Just to get this out of the way, has John Carter of Mars, decided to grace these pages?
1:12 AM Sep 9th
 
 
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