(Note- The numbers represent the order in which they are presented in 'Teams Signed Up' button in the OP of the thread!

Team Matchups:
17) Team Metanam vs. 12) Team r/FloridaMan
8) Team Ultimate Lightning Fury Slash Max Nut vs. 1) Team Earth Sandwich
14) Team Carbonara Clivante vs. 9) Team nick cag fans
4) Team Doritos JACKED [RANCH DIPPED HOT WINGS] (i want KOLINDA GRABAR-KITAROVIĆ to peg me) vs. 7) Team Arbiter
15) Team Gays making Spaghetti vs. 3) Team Rebellion
18) Team Free Agents vs. 5) hf n_n
13) Team Bewear for Belgium vs. 2) Team Grug
10) Team Big Chest vs. 11) Team Just Addy, No Head
16) Team cb aaron judge audis vs. 6) Team Delta

Pairings:
17 v 12
8 v 1
14 v 9
4 v 7
15 v 3
18 v 5
13 v 2
10 v 11
16 v 6

Proof of fair picking
[20:22:44] #iExca: !pick 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
We randomly picked: 17
[20:22:50] #iExca: !pick 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,18
We randomly picked: 12
[20:22:57] #iExca: 17 v 12
[20:23:20] #iExca: !pick 1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,18
We randomly picked: 8
[20:23:28] #iExca: !pick 1,2,3,4,5,6,7,9,10,11,13,14,15,16,18
We randomly picked: 1
[20:23:32] #iExca: 8 v 1
[20:23:43] #iExca: !pick 2,3,4,5,6,7,9,10,11,13,14,15,16,18
We randomly picked: 14
[20:23:51] #iExca: !pick 2,3,4,5,6,7,9,10,11,13,15,16,18
We randomly picked: 9
[20:23:59] #iExca: 14 v 9
[20:24:12] #iExca: !pick 2,3,4,5,6,7,10,11,13,15,16,18
We randomly picked: 4
[20:24:19] #iExca: !pick 2,3,5,6,7,10,11,13,15,16,18
We randomly picked: 7
[20:24:25] #iExca: 4 v 7
[20:24:32] #iExca: !pick 2,3,5,6,10,11,13,15,16,18
We randomly picked: 15
[20:24:38] #iExca: !pick 2,3,5,6,10,11,13,16,18
We randomly picked: 3
[20:24:43] #iExca: 15 v 3
[20:24:54] #iExca: !pick 2,5,6,10,11,13,16,18
We randomly picked: 18
[20:25:00] #iExca: !pick 2,5,6,10,11,13,16
We randomly picked: 5
[20:25:04] #iExca: 18 v 5
[20:25:12] #iExca: !pick 2,6,10,11,13,16
We randomly picked: 13
[20:25:20] #iExca: !pick 2,6,10,11,16
We randomly picked: 2
[20:25:24] #iExca: 13 v 2
[20:25:36] #iExca: !pick 6,10,11,16
We randomly picked: 10
[20:25:48] #iExca: !pick 6,11,16
We randomly picked: 11
[20:25:53] #iExca: 10 v 11
[20:26:02] #iExca: 16 v 6