Thursday soccer best and worst defensive teams

According to Betexplorer: Best and worst defensive teams are deduced based on the average number of goals conceded per match.  This statistics helps in Over/under prediction.

G    - Games played
Gls - Total goals conceded
R    - Goals conceded average 'per match

Best defensive teams

Team		G	Gls.	R	Next match	1	X	2
	Sparta Prague U21	28	17	0.6	Sparta Prague U21 - Mlada Boleslav U21	2.20	3.91	2.51
	Naft Tehran	25	19	0.8	Zob Ahan - Naft Tehran	2.48	2.79	2.84
	Foolad	25	20	0.8	Foolad - Naft Masjed Soleyman	1.48	3.48	6.62
	Al Ain	22	18	0.8	Al Ain - Ittihad Kalba	1.20	5.80	9.57
	Vendsyssel FF	24	20	0.8	Vendsyssel FF - Vejle	2.17	3.11	3.27
	Petrolera	14	12	0.9	Millonarios - Petrolera	1.52	3.68	5.77
	Alajuelense	41	37	0.9	Alajuelense - U.C.R.	1.34	4.32	7.93
	Zob Ahan	25	23	0.9	Zob Ahan - Naft Tehran	2.48	2.79	2.84
	Libertad Asuncion	12	11	0.9	Libertad Asuncion - Deportivo Santani	1.21	5.19	12.56
	Sepahan	25	24	1.0	Persepolis - Sepahan	2.99	2.80	2.37
	Aarhus	23	22	1.0	Koge - Aarhus	3.49	3.20	2.04
	Saipa	25	24	1.0	Tractor - Saipa	1.69	3.19	4.86
	Lakhwiya	25	25	1.0	Al Sailiya - Lakhwiya	5.43	4.32	1.43
	Curzon	43	44	1.0	Curzon - Ramsbottom	1.43	4.38	5.59
	Al Ahli Dubai	22	23	1.0	Al Ahli Dubai - Al Nasr	1.99	3.29	3.29
	Deportivo Santani	13	14	1.1	Libertad Asuncion - Deportivo Santani	1.21	5.19	12.56
	U.C.R.	40	43	1.1	Alajuelense - U.C.R.	1.34	4.32	7.93
	Saprissa	43	47	1.1	Saprissa - CS Uruguay	1.40	4.21	6.50
	Necaxa	32	35	1.1	Necaxa - Merida	2.06	3.23	3.21
	Tractor	25	28	1.1	Tractor - Saipa	1.69	3.19	4.86
	Al Nasr	22	25	1.1	Al Ahli Dubai - Al Nasr	1.99	3.29	3.29
	Pribram U21	29	33	1.1	Pribram U21 - Plzen U21	1.26	5.62	7.15
	Persepolis	25	29	1.2	Persepolis - Sepahan	2.99	2.80	2.37
	Brno U21	29	34	1.2	Brno U21 - Jihlava U21	1.73	4.16	3.42
	Koge	23	27	1.2	Koge - Aarhus	3.49	3.20	2.04
	Monmouth	26	31	1.2	Pontardawe - Monmouth	3.75	4.75	1.57
	Naft Masjed Soleyman	25	30	1.2	Foolad - Naft Masjed Soleyman	1.48	3.48	6.62
	Geylang	5	6	1.2	Geylang - Brunei DPMM	4.17	3.56	1.70
	Millonarios	14	17	1.2	Millonarios - Petrolera	1.52	3.68	5.77
	La Equidad	14	17	1.2	La Equidad - Atl. Nacional	3.28	3.07	2.10

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Worst defensive teams

Team		G	Gls.	R	Next match	1	X	2
	Mas Taborsko U21	29	112	3.9	Mas Taborsko U21 - Ceske Budejovice U21	2.41	3.99	2.24
	Varnsdorf U21	29	93	3.2	Varnsdorf U21 - Ostrava U21	4.63	4.86	1.45
	Znojmo U21	29	80	2.8	Znojmo U21 - Slovacko U21	2.01	3.88	2.81
	Slovacko U21	30	75	2.5	Znojmo U21 - Slovacko U21	2.01	3.88	2.81
	Shamal	25	60	2.4	Al-Sadd - Shamal	1.13	7.17	12.08
	Ceske Budejovice U21	29	66	2.3	Mas Taborsko U21 - Ceske Budejovice U21	2.41	3.99	2.24
	Pontardawe	26	59	2.3	Pontardawe - Monmouth	3.75	4.75	1.57
	Ittihad Kalba	22	50	2.3	Al Ain - Ittihad Kalba	1.20	5.80	9.57
	Dukla Prague U21	30	66	2.2	Jablonec U21 - Dukla Prague U21	1.71	4.18	3.46
	Al-Shahaniya	25	55	2.2	Al Ahli Doha - Al-Shahaniya	2.52	3.64	2.28
	Hradec Kralove U21	29	62	2.1	Trinec U21 - Hradec Kralove U21	2.15	3.97	2.54
	Al-Gharafa	25	52	2.1	Al Wakra - Al-Gharafa	1.66	3.78	4.12
	Al Wakra	25	51	2.0	Al Wakra - Al-Gharafa	1.66	3.78	4.12
	Trinec U21	29	58	2.0	Trinec U21 - Hradec Kralove U21	2.15	3.97	2.54
	Al Sailiya	25	49	2.0	Al Sailiya - Lakhwiya	5.43	4.32	1.43
	Jablonec U21	29	56	1.9	Jablonec U21 - Dukla Prague U21	1.71	4.18	3.46
	Rubio Nu	13	25	1.9	Nacional Asuncion - Rubio Nu	1.69	3.44	4.46
	Liberec U21	29	53	1.8	Bohemians 1905 U21 - Liberec U21	2.60	3.91	2.11
	Teplice U21	29	53	1.8	Teplice U21 - Slavia Prague U21	2.41	3.87	2.27
	Jihlava U21	29	52	1.8	Brno U21 - Jihlava U21	1.73	4.16	3.42
	Ramsbottom	41	73	1.8	Curzon - Ramsbottom	1.43	4.38	5.59
	Al Khor	25	44	1.8	Al Khor - Umm-Salal	2.67	3.43	2.25
	Al Ahli Doha	25	40	1.6	Al Ahli Doha - Al-Shahaniya	2.52	3.64	2.28
	Kashima	5	8	1.6	Kashiwa - Kashima	2.65	3.32	2.44
	Qatar SC	25	39	1.6	Qatar SC - Al Arabi	1.44	4.41	5.18
	Merida	26	40	1.5	Necaxa - Merida	2.06	3.23	3.21
	Nacional Asuncion	13	20	1.5	Nacional Asuncion - Rubio Nu	1.69	3.44	4.46
	Ostrava U21	30	46	1.5	Varnsdorf U21 - Ostrava U21	4.63	4.86	1.45
	CS Uruguay	40	60	1.5	Saprissa - CS Uruguay	1.40	4.21	6.50
	Slavia Prague U21	29	43	1.5	Teplice U21 - Slavia Prague U21	2.41	3.87	2.27