2021 AMA National Numbers:
* = Career Number
1 450SX - Eli Tomac
1 450MX - Zach Osborne
1 250MX - Dylan Ferrandis
1W SX - Dylan Ferrandis
1E SX - Chase Sexton
2* - Cooper Webb
3* - Eli Tomac
4* - Blake Baggett
6* - Jeremy Martin
7* - Aaron Plessinger
9* - Adam Cianciarulo
10* - Justin Brayton
11* - Kyle Chisholm
12* - Shane McElrath
14* - Dylan Ferrandis
15* - Dean Wilson
16* - Zach Osborne
17* - Joey Savatgy
18 - Jett Lawrence
19* - Justin Bogle
20* - Broc Tickle
21* - Jason Anderson
22* - Chad Reed
23* - Chase Sexton
24* - RJ Hampshire
25* - Marvin Musquin
26* - Alex Martin
27* - Malcolm Stewart
28 - Brandon Hartranft
29 - Christian Craig
30 - Jo Shimoda
31 - Cameron McAdoo
32* - Justin Cooper
33 - Derek Drake
34 - Max Anstie
35 - Mitchell Harrison
36 - Martin Davalos
37 - Benny Bloss
38 - Austin Forkner
39 - Carson Mumford
40 - Vince Friese
41 - Hunter Lawrence
42 - Michael Mosiman
43 - Fredrik Noren
44 - Tyler Bowers
45 - Pierce Brown
46* - Justin Hill
47 - Jalek Swoll
48 - Garrett Marchbanks
49 - Mitchell Oldenburg
50 - Enzo Lopes
51* - Justin Barcia
52 - Luke Clout
53 - Jake Masterpool
54 - Nick Gaines
55 - John Short
56 - Kyle Peters
57 - Justin Rodbell
58 - Jacob Hayes
59 - Jarrett Frye
60 - Chris Blose
61 - Joey Crown
62 - Mason Gonzales
63 - Martin Castelo
64 - Colt Nichols
65 - Carson Brown
66 - Jordan Bailey
67 - Stilez Robertson
68 - Jace Owen
69 - Robbie Wageman
70 - Henry Miller
71 - Killian Auberson
72 - Coty Schock
73 - Derek Kelley
74 - Mitchell Falk
75 - Ty Masterpool
76 - Grant Harlan
77 - Jerry Robin
78 - Kyle Cunningham
79 - Isaac Teasdale
80 - Jordon Smith
81 - Justin Starling
82 - Lorenzo Locurcio
83 - Alex Ray
84 - Josh Hill
85 - Kevin Moranz
86 - Darian Sanayei
87 - Curren Thurman
88 - Logan Karnow
89 - Ryan Breece
90 - Dilan Schwartz
91 - Nate Thrasher
92 - Chase Marquier
93 - Hardy Munoz
94* - Ken Roczen
95 - Josh Osby
96 - Michael Leib
97 - Ben LaMay
98 - Justin Hoeft
99 - Hunter Sayles