Here are the 99 players of the top 100 ranked by kills per root game.

14.42 spanky6
11.84 toms
11.62 StankyBeans
11.25 michele
11.00 Oliversdad
10.69 Agent Mulder
10.45 OneShot7
10.41 ovbogaert
10.16 Qaziyev
10.08 Krustalicious
10.04 TASOS1
9.65 integral
9.12 the die
8.79 useranon_0501
8.43 pipacs
8.18 Im Defeated
8.09 prodoc
8.06 Dude111
8.00 Dengar2
7.93 IFIGENIUS
7.85 KingRussy
7.62 vecker
7.41 Beach_Bum_13
7.15 hcdug
6.99 michl
6.97 Tarleton
6.43 uuupps
6.35 arkenkor
6.26 panzer
6.21 itslikeisaid
6.02 Lucas Barbosa de
5.95 Gonna4v4U
5.90 finnagain
5.88 vicsf
5.71 DutchBastard
5.66 THRILLHO
5.52 thegreenheaven
5.47 Spliffn
5.45 am I
5.43 the_king333
5.36 Skyler
5.25 Crispier
5.19 Der Babo
5.09 masticore
5.03 fluxboxer
5.03 Whitehawk
4.99 Fatman_x
4.90 longhair
4.76 iDu
4.63 pitbulldutch
4.59 nijol
4.54 Fedya
4.49 shadolin
4.34 tryin'
4.28 ceban
4.23 Nerd Alert
4.13 lipos
3.94 Pamuchar
3.86 fish28
3.82 no_name2
3.78 Sensei_Mata
3.77 Gauntlet15
3.65 omalg
3.63 k?lllll
3.57 burcin
3.51 Gurgi
3.49 Maser
3.47 bivo
3.40 greeen
3.37 Kurwa_pendecho
3.35 Isidoro
3.27 Nitiiido Oeee Zi
3.17 JustAPlayer
3.16 bebel
3.14 sw1ft25
3.13 ireneo
3.00 spman
2.95 Kagomehhh
2.95 Rigu10
2.73 rofarah
2.70 whimsical
2.68 Rileyhemp
2.57 john_egg
2.53 franklyghost
2.46 wishbone
2.33 jamba
2.18 Cirdan
2.14 morninc
2.11 ChiefWeeze
2.02 parsifal
2.02 EddyB
1.70 BenJa LeZana
1.58 new emre
1.34 Emre Oguz
1.31 moulue
1.22 spman6
1.18 spman2
1.00 spman4
0.58 jurgen