As of a few days ago, this was the list I put together. Do with it what you will.

Mega Man X4 Leaderboard Inconsistencies: Total - 89

Mega Man X4 (Zero, 100%): Total - 43

1. Sprawl5 (43:38 on SR, 43:22 on MMLB. Port run from MMLB to SR)
2. Iceless (Unverified on MMLB, verified on SR. No video)
3. Cuttlefish05 (45:26 on SR, 44:06 on MMLB. Port run from MMLB to SR)
4. Ch0cman (44:38 on SR. Obsolete. Link to SR account "Ch0cman")
5. Garuda (44:32 on MMLB, no run on SR. Port run from MMLB to SR)
6. DonTerra (45:20 on MMLB, 46:35 on SR. Port run from MMLB to SR, link to account "TeraBits)
7. Tchy (45:34 on MMLB, 46:04 on SR. Port run from MMLB to SR)
8. ShadowZero (45:47 on MMLB, 48:06 on SR. Port run from MMLB to SR)
9. Ultrauberness (45:49 on SR, no run on MMLB. Port run from SR to MMLB)
10. Jorgepaulors (46:19 on MMLB, 46:52 on SR. Port run from MMLB to SR)
11. x2205678400000 (46:50 on MMLB, 46:52 on SR. Same run, mislabeled. Retime and/or relabel)
12. Sambss (47:24 on MMLB, no run on SR. Port run from MMLB to SR)
13. Madu (47:43 on MMLB, no run on SR. Port run from MMLB to SR)
14. ShadowZero81 (48:07 on MMLB. Same person, two accounts. Obsolete run. Link to MMLB account "ShadowZero" if possible)
15. Altman0 (48:30 on MMLB, 50:57 on SR. Port run from MMLB to SR)
16. Ssbrakan (48:51 on MMLB, 51:29 on SR. Port run from MMLB to SR)
17. Strizer86 (49:13 on MMLB, no run on SR. Port run from MMLB to SR)
18. CodyTheCodeman (49:30 on MMLB, 51:10 on SR. Port run from MMLB to SR, link to SR account "cody_the_codeman")
19. ChuvaKYoou (50:10 on MMLB, 54:59 on SR. Port run from MMLB to SR)
20. Sharivan (50:19 on MMLB, no run on SR. Port run from MMLB to SR)
21. OREZxAMGISx6 (52:08 on MMLB, 1:02:08 on SR. Port run from MMLB to SR)
22. Abomination1212 (52:19 on MMLB, no run on SR. Port run from MMLB to SR)
23. Heyitsnazriq (53:40 on MMLB, no run on SR. Port run from MMLB to SR)
24. Sleepwalker (54:36 on MMLB, 53:34 on SR. Port run from SR to MMLB)
25. BellaBunnyy (54:38 on MMLB, 55:38 on SR. Port run from MMLB to SR)
26. ThisIsJayC (56:24 on MMLB, 1:01:40 on SR. Port run from MMLB to SR)
27. StarvinStruthers (Run unverified on MMLB, verified on SR. No video)
28. TheBlackHylian (1:03:47 on MMLB, 1:03:48 on SR. Retime and/or relabel)
29. Syena (51:00 on SR, no run on MMLB. Port run from SR to MMLB)
30. Apsandman (51:16 on SR, no run on MMLB. Port run from SR to MMLB)
31. Jehm_Faulking (52:28 on SR, no run on MMLB. Port run from SR to MMLB)
32. Jusejiro (53:57 on SR, no run on MMLB. Port run from SR to MMLB)
33. Theluigiguy (54:10 on SR, no run on MMLB. Port run from SR to MMLB)
34. Savato (54:36 on SR, no run on MMLB. Port run from SR to MMLB)
35. Donjen1330 (56:36 on SR, no run on MMLB. Port run from SR to MMLB)
36. iViicTooR (58:18 on SR, no run on MMLB. Port run from SR to MMLB)
37. ZacharyFrancis (59:06 on SR, no run on MMLB. Port run from SR to MMLB)
38. BlackRoder (1:02:32 on SR, no run on MMLB. Port run from SR to MMLB)
39. Neros_soreN (1:06:09 on SR, no run on MMLB. Port run from SR to MMLB)
40. Ahmao (1:09:50 on SR, no run on MMLB. Port run from SR to MMLB)
41. Uncleyan (1:10:47 on SR, no run on MMLB. Port run from SR to MMLB)
42. JorgeCajasT (1:14:05 on SR, no run on MMLB. Port run from SR to MMLB)
43. Mbison564 (2:03:04 on SR, no run on MMLB. Port run from SR to MMLB)

Mega Man X4 (X, 100%): Total - 29

1. LuizMiguel (45:20 on MMLB, no run on SR. Port run from MMLB to SR)
2. Ultrauberness (45:44 on MMLB, 46:49 on SR. Port run from MMLB to SR)
3. Zantru (45:58 on MMLB, 47:26 on SR. Port run from MMLB to SR)
4. Sambss (48:05 on MMLB, 48:45 on SR. Port run from MMLB to SR)
5. DonTerra (48:46 on MMLB, 49:11 on SR. Port run from MMLB to SR, link to SR account "TeraBits")
6. Tavotron (49:20 on MMLB, no run on SR. Port run from MMLB to SR)
7. Nuy (49:56 on MMLB, no run on SR. Port run from MMLB to SR, link to SR account "Nu")
8. VenezPrince (50:05 on MMLB, no run on SR. Port run from MMLB to SR)
9. Seihon (50:57 on MMLB, 51:59 on SR. Port run from MMLB to SR)
10. Ch0cman (52:14 on MMLB, no run on SR. Port run from MMLB to SR)
11. Goofilactiko (52:15 on MMLB, 52:13 on SR. Same run. Retime and/or relabel)
12. Tchy (52:31 on MMLB, no run on SR. Port run from MMLB to SR)
13. MegaManX85 (Run unverified on MMLB, verified on SR. No video)
14. ShinRockman (54:39 on MMLB, no run on SR. Port run from MMLB to SR)
15. JohnnyGo (54:55 on MMLB, no run on SR. Port run from MMLB to SR)
16. UltimateGigaCoreX (55:17 on MMLB, no run on SR. Port run from MMLB to SR. Possibly same person as Cybergeddon)
17. ThisIsJayC (55:32 on MMLB, no run on SR. Port run from MMLB to SR)
18. SilverKripton (1:01:03 on MMLB, no run on SR. Port run from MMLB to SR)
19. Danrubi93 (1:03:31 on MMLB, no run on SR. Port run from MMLB to SR)
20. SupremeSRL (1:05:05 on MMLB, no run on SR. Port run from MMLB to SR)
21. Drzblack (1:10:26 on MMLB, 1:10:19 on SR. Same run. Retime and/or relabel)
22. Mrcab (1:10:36 on MMLB, no run on SR. Port run from MMLB to SR, link to SR account "MrCab55")
23. PyroticBlaziken (55:40 on SR, no run on MMLB. Port run from SR to MMLB)
24. The_Alsian (57:17 on SR, no run on MMLB. Port run from SR to MMLB)
25. LefomAfonso (1:02:20 on SR, no run on MMLB. Port run from SR to MMLB)
26. Beld_X (1:02:21 on SR, no run on MMLB. Port run from SR to MMLB)
27. Dittohunter (1:08:21 on SR, no run on MMLB. Port run from SR to MMLB)
28. DudeDuder (1:09:49 on SR, no run on MMLB. Port run from SR to MMLB)
29. BlackRoder (1:10:29 on SR, no run on MMLB. Port run from SR to MMLB)

Mega Man X4 (Zero, Any%): Total - 6

1. UlverBlueriver (43:57 on MMLB, no run on SR. Port run from MMLB to SR)
2. Fslynx (45:35 on MMLB, no run on SR. Port run from MMLB to SR)
3. Tchy (47:59 on MMLB, no run on SR. Port run from MMLB to SR)
4. DarkOrigins12 (58:59 on MMLB, no run on SR. Port run from MMLB to SR)
5. Deetecks (49:03 on SR, no run on MMLB. Port run from SR to MMLB)
6. Battle (54:00 on SR, no run on MMLB. Port run from SR to MMLB)

Mega Man X4 (X, Any%): Total - 2

1. MopeyJoe (44:42 on SR, 43:54 on MMLB. Port run from MMLB to SR)
2. DeKhaPe (47:09 on MMLB, no run on SR. Port run from MMLB to SR)

Mega Man X4 (X, Low%): Total - 3

1. MopeyJoe (46:47 on MMLB, 46:51 on SR. Port run from MMLB to SR)
2. DeKhaPe (48:18 on MMLB, no run on SR. Port run from MMLB to SR)
3. NinjaClaws (1:08:42 on MMLB, 1:08:41 on SR. Retime and/or relabel)

Mega Man X4 (Ultimate Armor, Any%): Total - 6

1. Seihon (43:32 on MMLB, 44:03 on SR. Port run from MMLB to SR)
2. Danmz (48:13 on MMLB, no run on SR. Port run from MMLB to SR)
3. Beld (48:13 on MMLB, 48:18 on SR. Same run. Retime and/or relabel)
4. CyberTKSpeedruns (48:48 on MMLB, no run on SR. Port run from MMLB to SR)
5. ThisIsJayC (50:35 on MMLB, no run on SR. Port run from MMLB to SR)
6. Liklbit01 (51:09 on MMLB, no run on SR. Port run from MMLB to SR)