Skip to content
MMA Calendar
Compare fighters

Alex Castro vs Nathan Rivera

Alex Castro is 10-9-0; Nathan Rivera is 0-1-0. Nathan Rivera has a 9" · 23 cm reach advantage over Alex Castro. Nathan Rivera is 6" · 15 cm taller than Alex Castro. They have met once: Alex Castro 0, Nathan Rivera 1.

Alex Castro
Guam
Alex Castro
“OG” · 10-9-0
Win · TKOWin · DecisionLoss · TKO
Met once
Nathan Rivera
United States
Nathan Rivera
“THE REAPER” · 0-1-0
Loss · Split Decision
Ask UFCalendar AI

Sig. strikes by zone

Where each fighter lands, as a share of significant strikes

72%
Head
75%
28%
Body
25%
0%
Leg
0%

Time in position

Where their significant strikes are thrown

Alex Castrolast 3 fights
70%30%
Nathan Riveralast 6 fights
85%15%
DistanceClinchGround

How good, really

Each stat against every UFC fighter, in plain words

Alex Castro· incl. 3 fights outside the UFC Nathan Rivera· incl. 6 fights outside the UFC
Strikes landed / min
10.478.57
PoorBelow avgAverageGoodElite
Alex Castro · Elite · better than 100% of UFC fightersNathan Rivera · Elite · better than 100% of UFC fighters
Strikes taken / minfewer is better
11.6911.08
PoorBelow avgAverageGoodElite
Alex Castro · Poor · better than 0% of UFC fightersNathan Rivera · Poor · better than 0% of UFC fighters

Ranked against 1502 UFC fighters with five or more UFC fights.

Striking & grappling

Same scale left and right on every row

10.47
Strikes landed / min
8.57
11.69
Strikes taken / minfewer is better
11.08

Bars in a row share one scale. The stronger side is solid; the pale tail behind takedowns is attempts.

Where the strikes land

Range × target

Alex Castro3 UFC fights · 233 landed
Head
Body
Leg
Distance
53%124/252
17%40/52
0%0
Clinch
18%43/50
11%26/27
0%0
Ground
0%0
0%0
0%0
Nathan Rivera6 UFC fights · 311 landed
Head
Body
Leg
Distance
70%218/491
15%47/58
0%0
Clinch
5%15/22
10%31/34
0%0
Ground
0%0
0%0
0%0

Share of significant strikes landed by range and target · landed / attempted in each cell.

Head-to-Head History

Frequently asked questions

Have Alex Castro and Nathan Rivera ever fought?

Yes, once. Most recently at BKFC Fight Night Clearwater: Warren vs Creer (Fri, May 2, 2025), where Nathan Rivera won by Knockout.

What are the records of Alex Castro and Nathan Rivera?

Alex Castro is 10-9-0 and Nathan Rivera is 0-1-0.

Who has the longer reach, Alex Castro or Nathan Rivera?

Nathan Rivera has the longer reach: 74" · 188 cm against 65" · 165 cm for Alex Castro, a 9" · 23 cm advantage.

Who is taller, Alex Castro or Nathan Rivera?

Nathan Rivera is taller at 5'11" · 180 cm; Alex Castro stands 5'5" · 165 cm.

Who has more finishes, Alex Castro or Nathan Rivera?

Alex Castro has 8 wins inside the distance (5 by KO/TKO, 3 by submission); Nathan Rivera has 0 wins (0 by KO/TKO, 0 by submission).