Now that the year has come to a close, and with a major assist from UFC research analyst and live statistics producers Michael Carroll, here are some of 2019’s most significant milestones from the events, the fights and individual performances.

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WEIGHT CLASSES

HEAVYWEIGHT

Number of fights: 40
Knockouts: 21
Submissions: 4
Decisions: 12
Other: 3
Champion at beginning of year: Daniel Cormier
Champion at end of year: Stipe Miocic
Most fights in divisional history: Andrei Arlovski (31)
Longest winning streak in division: Jairzinho Rozenstruik (4)
Most wins in divisional history: Arlovski (17)
Most stoppages in divisional history: Frank Mir (13)
Most knockouts in divisional history: Derrick Lewis, Cain Velasquez, Junior Dos Santos (10)
Most submissions in divisional history: Mir (8)
Most fight-night bonuses: Miocic (9)

LIGHT HEAVYWEIGHT

Number of fights: 46
Knockouts: 20
Submissions: 10
Decisions: 15
Other: 1
Champion at beginning of year: Jon Jones
Champion at end of year: Jones
Most fights in divisional history: Jones (21)
Longest winning streak in division: Dominick Reyes (6)
Most wins in divisional history: Jones (19)
Most stoppages in divisional history: Jones, Glover Teixeira, Ovince Saint Preux (10)
Most knockouts in divisional history: Chuck Liddell (9)
Most submissions in divisional history: Jones, Teixeira, Saint Preux, Misha Cirkunov (5)
Most fight-night bonuses: Jones, Mauricio Rua (8)

MIDDLEWEIGHT

Number of fights: 46
Knockouts: 8
Submissions: 9
Decisions: 29
Champion at beginning of year: Robert Whittaker
Champion at end of year: Israel Adesanya
Most fights in divisional history: Michael Bisping (24)
Longest winning streak in division: Adesanya (7)
Most wins in divisional history: Michael Bisping (16)
Most stoppages in divisional history: Anderson Silva (11)
Most knockouts in divisional history: Silva, Thiago Santos (8)
Most submissions in divisional history: Antonio Carlos Junior, Thales Leites, Demian Maia, Rousimar Palhares (5)
Most fight-night bonuses: Silva (11)

WELTERWEIGHT

Number of fights: 76
Knockouts: 25
Submissions: 12
Decisions: 39
Champion at beginning of year: Tyron Woodley
Champion at end of year: Kamaru Usman
Most fights in divisional history: Thiago Alves (26)
Longest winning streak in division: Usman (11)
Most wins in divisional history: Georges St-Pierre (19)
Most stoppages in divisional history: Matt Brown (13)
Most knockouts in divisional history: Brown (11)
Most submissions in divisional history: Maia, Chris Lytle, Gunnar Nelson (6)
Most fight-night bonuses: Lytle (10)

LIGHTWEIGHT

Number of fights: 76
Knockouts: 26
Submissions: 9
Decisions: 41
Champion at beginning of year: Khabib Nurmagomedov
Champion at end of year: Nurmagomedov
Most fights in divisional history: Jim Miller (32)
Longest winning streak in division: Tony Ferguson (12)
Most wins in divisional history: Miller (19)
Most stoppages in divisional history: Joe Lauzon (13)
Most knockouts in divisional history: Edson Barboza, Melvin Guillard (7)
Most submissions in divisional history: Miller (9)
Most fight-night bonuses: Lauzon, Donald Cerrone (15)

FEATHERWEIGHT

Number of fights: 61
Knockouts: 16
Submissions: 11
Decisions: 33
Other: 1
Champion at beginning of year: Max Holloway
Champion at end of year: Alexander Volkanovski
Most fights in divisional history: Holloway (20)
Longest winning streak in division: Volkanovski, Arnold Allen, Zabit Magomedsharipov (6)
Most wins in divisional history: Holloway (16)
Most stoppages in divisional history: Holloway (10)
Most knockouts in divisional history: Holloway (8)
Most submissions in divisional history: Charles Oliveira (6)
Most fight-night bonuses: Chan Sung Jung, Cub Swanson (8)

WOMEN’S FEATHERWEIGHT

Number of fights: 3
Knockouts: 0
Submissions: 2
Decisions: 1
Champion at beginning of year: Amanda Nunes
Champion at end of year: Nunes
Most fights in divisional history: Cris Cyborg (5)
Longest winning streak in division: Six fighters tied at 1
Most wins in divisional history: Cyborg (4)
Most stoppages in divisional history: Cyborg, Megan Anderson (2)
Most knockouts in divisional history: Cyborg (2)
Most submissions in divisional history: Anderson (2)
Most fight-night bonuses: Nunes, Cyborg, Holly Holm (1)

BANTAMWEIGHT

Number of fights: 61
Knockouts: 15
Submissions: 10
Decisions: 36
Champion at beginning of year: T.J. Dillashaw
Champion at end of year: Henry Cejudo
Most fights in divisional history: Urijah Faber (17)
Longest winning streak in division: Petr Yan (6)
Most wins in divisional history: T.J. Dillashaw (12)
Most stoppages in divisional history: Dillashaw (8)
Most knockouts in divisional history: Dillashaw (7)
Most submissions in divisional history: Faber (6)
Most fight-night bonuses: Dillashaw (8)

WOMEN’S BANTAMWEIGHT

Number of fights: 23
Knockouts: 8
Submissions: 2
Decisions: 13
Champion at beginning of year: Amanda Nunes
Champion at end of year: Amanda Nunes
Most fights in divisional history: Nunes (12)
Longest winning streak in division: Nunes (9)
Most wins in divisional history: Nunes (11)
Most stoppages in divisional history: Nunes (8)
Most knockouts in divisional history: Nunes (6)
Most submissions in divisional history: Ronda Rousey (3)
Most fight-night bonuses: Rousey (7)

FLYWEIGHT

Number of fights: 17
Knockouts: 5
Submissions: 2
Decisions: 10
Champion at beginning of year: Henry Cejudo
Champion at end of year: No one (title vacant)
Most fights in divisional history: Joseph Benavidez (16)
Longest winning streak in division: Cejudo (4)
Most wins in divisional history: Benavidez, Demotions Johnson (13)
Most stoppages in divisional history: Johnson (7)
Most knockouts in divisional history: Benavidez (5)
Most submissions in divisional history: Johnson (5)
Most fight-night bonuses: Johnson (9)

WOMEN’S FLYWEIGHT

Number of fights: 36
Knockouts: 6
Submissions: 5
Decisions: 25
Champion at beginning of year: Valentina Shevchenko
Champion at end of year: Shevchenko
Most fights in divisional history: Gillian Robertson (6)
Longest winning streak in division: Shevchenko (4)
Most wins in divisional history: Five fighters tied with 5
Most stoppages in divisional history: Robertson (4)
Most knockouts in divisional history: Maycee Barber (2)
Most submissions in divisional history: Robertson, Montana De La Rosa (3)
Most fight-night bonuses: Shevchenko (2)

WOMEN’S STRAWWEIGHT

Number of fights: 30
Knockouts: 3
Submissions: 5
Decisions: 22
Champion at beginning of year: Rose Namajunas
Champion at end of year: Weili Zhang
Most fights in divisional history: Randa Markos (13)
Longest winning streak in division: Tatiana Suarez (5)
Most wins in divisional history: Joanna Jedrzejczyk (9)
Most stoppages in divisional history: Namajunas, Jessica Andrade (4)
Most knockouts in divisional history: Andrade (3)
Most submissions in divisional history: Namajunas, Cynthia Calvillo (3)
Most fight-night bonuses: Andrade (6)