What Team Had the Lowest Power-Speed # since 1920?

I thought about this because the Tigers came into today with only 20 HRs, last in the AL by 5 while also being last in SBs with just 6, by 4.

Here is what Baseball Reference says about Power-Speed #

"2 x (Home Runs x Stolen Bases)/(Stolen Bases + Home Runs) The harmonic mean of HR and SB. To do well you need a lot of both. Developed by Bill James." 

Using Stathead, I called up all the teams who had both 50 or less HRs & SBs then all the teams with 20 or fewer HRs then all the teams with 20 or fewer SBs. It will probably be one of those teams. I just have not done the math yet. I only looked teams with 100+ games in a season (team Power-Speed # is not directly searchable in Stathead). 

The 1931 Reds have a PS# of 22.4, the lowest of any team from 1920 on (1957 Senators have 23.27). Found only 8 teams post 1920 under 30.

There are lots of teams lower than 22.4 but they all played before 1920 and even then it looks mostly before 1910. The 1908 White Sox are 5.91 with 3 HRs and 209 SBs

The Reds were still playing at Redland Field where it was very tough to hit a HR.

Here are the 10 lowest that I found

Tm	Year	Lg	HR	SB	PS#	G
CIN	1931	NL	21	24	22.40	154
WSH	1957	AL	111	13	23.27	154
BSN	1926	NL	16	81	26.72	153
KCA	1960	AL	110	16	27.94	155
BOS	1921	AL	17	83	28.22	154
PHA	1945	AL	33	25	28.45	153
STL	1949	NL	102	17	29.14	157
PIT	1920	NL	16	181	29.40	155
CLE	1945	AL	65	19	29.40	147
SLB	1953	AL	112	17	29.52	154

Who had the most "raw" power?

This came up on Twitter several weeks ago. One measure that occurred to me was to look at HR rate when not striking out. I used all the guys with 200+ HRs. The first list has the top 25 but the 2nd list is relative to the league average (that is, a player's HR/(AB - SO) divided by the league average in the same number of ABs). I used Stathead and the Complete Baseball Encyclopedia by Lee Sinins.

Rank	Player	HR	AB	SO	AB - SO	Rate
1	Mark McGwire	583	6187	1596	4591	0.1270
2	Giancarlo Stanton	347	4839	1559	3280	0.1058
3	Jim Thome	612	8422	2548	5874	0.1042
4	Adam Dunn	462	6883	2379	4504	0.1026
5	Babe Ruth	714	8399	1330	7069	0.1010
6	Ryan Howard	382	5707	1843	3864	0.0989
7	Chris Davis	295	4978	1852	3126	0.0944
8	Sammy Sosa	609	8813	2306	6507	0.0936
9	Rob Deer	230	3881	1409	2472	0.0930
10	Khris Davis	221	3394	1017	2377	0.0930
11	Barry Bonds	762	9847	1539	8308	0.0917
12	Dave Kingman	442	6677	1816	4861	0.0909
13	Jose Canseco	462	7057	1942	5115	0.0903
14	Mike Trout	310	4656	1215	3441	0.0901
15	Harmon Killebrew	573	8147	1699	6448	0.0889
16	Nelson Cruz	449	6910	1751	5159	0.0870
17	Manny Ramirez	555	8244	1813	6431	0.0863
18	Mike Napoli	267	4572	1468	3104	0.0860
19	Jay Buhner	310	5013	1406	3607	0.0859
20	Carlos Delgado	473	7283	1745	5538	0.0854
21	Mark Reynolds	298	5432	1927	3505	0.0850
22	Carlos Pena	286	4949	1577	3372	0.0848
23	Mike Schmidt	548	8352	1883	6469	0.0847
24	Richie Sexson	306	4928	1313	3615	0.0846
25	Alex Rodriguez	696	10566	2287	8279	0.0841

Rank	Player	HR/(AB - SO)	AVGHR/(AB - AVGSO)	REL Raw Power
1	Babe Ruth	0.1010	0.0136	7.45
2	Lou Gehrig	0.0684	0.0173	3.96
3	Jimmie Foxx	0.0783	0.0199	3.94
4	Hack Wilson	0.0603	0.0159	3.80
5	Mark McGwire	0.1270	0.0340	3.73
6	Wally Berger	0.0541	0.0149	3.62
7	Willie Stargell	0.0793	0.0221	3.58
8	Rogers Hornsby	0.0402	0.0113	3.56
9	Hank Greenberg	0.0761	0.0219	3.48
10	Ted Williams	0.0745	0.0223	3.34
11	Mickey Mantle	0.0839	0.0254	3.31
12	Dave Kingman	0.0909	0.0280	3.25
13	Mike Schmidt	0.0847	0.0266	3.18
14	Bill Nicholson	0.0498	0.0161	3.09
15	Dolph Camilli	0.0544	0.0182	2.99
16	Ralph Kiner	0.0828	0.0277	2.99
17	Dick Allen	0.0735	0.0247	2.98
18	Barry Bonds	0.0917	0.0309	2.97
19	Willie McCovey	0.0784	0.0265	2.96
20	Darryl Strawberry	0.0824	0.0287	2.87
21	Rob Deer	0.0930	0.0326	2.86
22	Giancarlo Stanton	0.1058	0.0373	2.83
23	Harmon Killebrew	0.0889	0.0317	2.80
24	Hal Trosky	0.0483	0.0174	2.78
25	Reggie Jackson	0.0775	0.0280	2.77