Which defenders are on a hot streak?

Which players are the best bang for the buck over their last 5 games?

Player	Goals	Assists	Clean Sheets	Points	Cost	Points Per Million
Young	0	1	3	25	£4.5	5.6
Murillo	1	0	2	25	£4.5	5.6
Aina	1	0	2	26	£4.8	5.4
Keane	1	0	2	23	£4.3	5.3
Kerkez	0	2	1	22	£4.4	5.0
Tarkowski	0	0	3	24	£4.8	5.0
Aït-Nouri	2	1	1	23	£4.7	4.9
Chalobah	1	0	1	20	£4.4	4.5
Hall	0	1	2	20	£4.4	4.5
Digne	0	1	2	21	£4.7	4.5