33
Katie O'Sullivan, Bucknell
Photo: Bucknell Athletics

Libero · #33

Katie O'Sullivan

Bucknell logoBucknellPatriotJr.5'6"Pleasanton, Calif.

HS: Amador Valley · Previously: San Jose State

Katie O'Sullivan, a junior libero for Bucknell, has 333 digs (4.22/set), 19 aces and a 6.2% reception error rate this season. She ranks in the top 8% in digs per set among 979 liberos and defensive specialists with 20+ sets (No. 71, tied). Her best game: 36 digs against Holy Cross on Oct 17, 2026.

Data through · last match Oct 31

D/S
4.22
RE%
6.2%
SA/S
0.24
Team in her matches
10-12

No.71

L/DS in D1 in digs per set

4.22 D/S, of 979 D1 liberos & DS with 20+ sets

D1 L/DS rank in digs per set: improved 13 places in the last 7 days, from No. 84 to No. 71

Patriot L/DS · D/S
No. 6
of 26
D1 percentile
Top 8%
digs per set

Season

2026 · final matches
MP
22
S
79
K
1
E
2
TA
17
HIT%
-.059
AST
98
SA
19
SE
29
DIG
333
RA
484
RE
30
BS
0
BA
0
BLK
0
PTS
20
K/S
0.01
A/S
1.24
D/S
4.22
B/S
0.00
SA/S
0.24
PTS/S
0.25
ACE%
5.7%
SE%
8.7%
RE%
6.2%

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 979 liberos & DS with 20+ sets · 100 = best

Digs / set
avg 2.06
93
4.22
Reception err %
avg 6.5%↓
44
6.2%
Receptions / set
avg 3.19
96
6.13
Aces / set
avg 0.16
79
0.24
Serve err %
avg 9.0%↓
46
8.7%

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

Rally Splits

22 matches with play-by-play

Assist distribution

98 assisted kills
  • OH70%69
  • OPP20%20
  • S9%9
Entropy
2.30
bits (Shannon)
Evenness
89%
of max 2.58 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.

Serve receive

aced-on rate
Times aced
30
named in PBP
Receptions
484
box, PBP games
Aced-on rate
6.2%
aced / receptions
Share of team aces
24%
123 team aced

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 31vsNavyW 3-03000—51114001
Oct 30vsLoyola MarylandW 3-14000—120324100
Oct 25vsLafayetteW 3-03000—50021000
Oct 24vsLehighL 1-34000—50010000
Oct 17@Holy CrossL 2-35000—40036300
Oct 11vsHoly CrossL 1-34000—73216203
Oct 10vsAmericanL 0-33011-1.0001007400
Oct 3vsColgateW 3-25000—71213201
Oct 2vsArmy West PointW 3-14000—61213001
Sep 26@NavyL 1-34001.00040214200
Sep 25@Loyola MarylandL 0-33001.00040111100
Sep 19@LehighL 0-33000—2015000
Sep 18@LafayetteW 3-25005.00071128101
Sep 12@SienaL 0-33113.00020119101
Sep 12vsDelaware St.W 3-03002.00021114001
Sep 11vsLe MoyneW 3-03000—55118205
Sep 5vsStonehillW 3-14001.00032115102
Sep 4@Boston CollegeL 0-33001.00020211100
Sep 4vsNew HampshireL 0-33002.00040211100
Aug 29vsNiagaraW 3-14000—4128201
Aug 28@MarshallL 0-33000—33312303
Aug 28vsOhioL 0-33000—40113300

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.

Katie O'Sullivan · 2026 FAQ

How many digs does Katie O'Sullivan have in 2026?
Katie O'Sullivan has 333 digs in 79 sets for Bucknell in 2026, an average of 4.22 digs per set.
How good is Katie O'Sullivan at serve receive in 2026?
Katie O'Sullivan has 30 reception errors on 484 serve receptions in 2026, a 6.2% reception error rate.
How many aces does Katie O'Sullivan have in 2026?
Katie O'Sullivan has 19 service aces in 79 sets for Bucknell in 2026, an average of 0.24 aces per set.
How many matches has Katie O'Sullivan played in 2026?
Katie O'Sullivan has appeared in 22 matches in 79 sets for Bucknell in 2026.
What position does Katie O'Sullivan play?
Katie O'Sullivan is a junior libero for Bucknell in the Patriot.