6
Sibley Oster, Cal St. Fullerton
Photo: Cal St. Fullerton Athletics

Setter · #6

Sibley Oster

Cal St. Fullerton logoCal St. FullertonBig WestFr.5'10"Austin, Texas

HS: Cedar Park HS

Sibley Oster, a freshman setter for Cal St. Fullerton, has 321 assists (6.06/set), 57 digs and 8 aces this season. Her best game: 43 assists against Florida A&M on Sep 18, 2026.

Data through · last match Oct 31

A/S
6.06
D/S
1.08
SA/S
0.15
Team in her matches
3-13

No.257

S in D1 in assists per set

6.06 A/S, of 746 D1 setters with 20+ sets

D1 S rank in assists per set: slipped 3 places in the last 7 days, from No. 254 to No. 257

Big West S · A/S
No. 10
of 32
D1 percentile
Top 35%
assists per set

Season

2026 · final matches
MP
16
S
53
K
7
E
5
TA
60
HIT%
.033
AST
321
SA
8
SE
8
DIG
57
RA
0
RE
0
BS
1
BA
18
BLK
10
PTS
25
K/S
0.13
A/S
6.06
D/S
1.08
B/S
0.19
SA/S
0.15
PTS/S
0.47
ACE%
7.8%
SE%
7.8%
RE%
—

BLK is the NCAA total: a solo counts 1, a block assist ½. Recaps and press releases usually quote solos + assists instead, so the same night can be reported as a bigger, whole number.

Percentile Rankings

vs 746 setters with 20+ sets · 100 = best

Assists / set
avg 5.23
66
6.06
Aces / set
avg 0.20
34
0.15
Digs / set
avg 1.63
20
1.08
Blocks / set
avg 0.09
80
0.19
Serve err %
avg 9.5%↓
60
7.8%
Kills / set
avg 0.30
46
0.13

Bubble = percentile within position. ↓ = lower is better (percentile already flipped). Rate stats need 20+ attempts.

Rally Splits

15 matches with play-by-play

Assist distribution

292 assisted kills
  • OH59%173
  • MB25%74
  • L/DS15%45
Entropy
2.80
bits (Shannon)
Evenness
88%
of max 3.17 bits

Share of kills where this player is credited with the set, by hitter. Higher entropy = harder to read. Team hit% on this setter's sets isn't shown: PBP credits setters only on kills, not on errors or dug balls.

Rally splits come from NCAA play-by-play and may miss a few rallies; names are matched to the box score. Season totals above come from box scores.

Game Log

* = started
DateOpponentResultSKETAHIT%ASTSASEDIGREBLKPTS
Oct 31vsCSU BakersfieldL 2-35*103.33326219003
Oct 30vsCSUNW 3-25*002.00036105001
Oct 24vsLong Beach St.L 0-33*115.00025027001
Oct 23@Long Beach St.L 0-33*000—2010300.51.5
Oct 17@Utah ValleyL 0-33001.00016003011
Oct 15@Sacramento St.L 1-34011-1.00011003022
Oct 10vsUC Santa BarbaraW 3-25006.00021000011
Oct 9vsCal PolyL 0-33206.3338002002
Oct 3@CSUNL 0-32001.000600100.50.5
Oct 2@CSU BakersfieldL 0-32000—4111001
Sep 26@UC IrvineL 1-31002.0003000000
Sep 19vsIdahoL 1-34*005.00034113012
Sep 18@LSU New Orleans L 1-34*109.111411012013
Sep 18vsFlorida A&MW 3-14*2116.06343015024
Sep 17@TulaneL 0-33*023-.66726112012
Aug 28@Sam HoustonL 0-32000—1011000

BLK is the NCAA total: a solo counts 1, a block assist ½. Recaps and press releases usually quote solos + assists instead, so the same night can be reported as a bigger, whole number.

Sibley Oster · 2026 FAQ

How many assists does Sibley Oster have in 2026?
Sibley Oster has 321 assists in 53 sets for Cal St. Fullerton in 2026, an average of 6.06 assists per set.
How many aces does Sibley Oster have in 2026?
Sibley Oster has 8 service aces in 53 sets for Cal St. Fullerton in 2026, an average of 0.15 aces per set.
How many digs does Sibley Oster have in 2026?
Sibley Oster has 57 digs in 53 sets for Cal St. Fullerton in 2026, an average of 1.08 digs per set.
How many kills does Sibley Oster have in 2026?
Sibley Oster has 7 kills in 53 sets for Cal St. Fullerton in 2026, an average of 0.13 kills per set.
What position does Sibley Oster play?
Sibley Oster is a freshman setter for Cal St. Fullerton in the Big West.