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Diamond Index team profile

Old Tappan

County—ConferenceBig NorthGroup—Head coach—
Season record18-82024-2025
DI Score73.0
State Rank#27
Run Differential+108
Strength of Schedule0.8
Roster20
Team wRC+173
Team PIT28.9
Season context

Record & Schedule Profile

26 completed games
Conference Record15-7Big North
Division Record—No division listed
Runs per Game6.65173 total runs
Runs Allowed per Game2.5065 total allowed
Home Record13-316 home games
Away Record5-510 road games
Tournament Record4-26 tournament games
Current StreakL1Most recent completed games
vs. DI Top 252-46 games
vs. DI Top 502-57 games
Average Opponent DI59.7Full completed schedule
Strength of Schedule0.8Opponent quality adjustment
Best WinBergen Catholic3–2 · Opponent DI 79.0
Worst LossPascack Hills1–5 · Opponent DI 58.4
Season results

Schedule & Games

26 games
Jun 3vsMKMorris KnollsNJSIAA Baseball Tournament, North Jersey, Section 1, Group 3, Semifinal RoundL3–5Box score →May 30vsNNutleyNJSIAA Baseball Tournament, North Jersey, Section 1, Group 3, Quarterfinal RoundW6–0Box score →May 27vsTTeaneckNJSIAA Baseball Tournament, North Jersey, Section 1, Group 3, First RoundW7–1Box score →May 23atPTPassaic TechL1–2Box score →May 19
Rating neighbors

Similar Teams

DI · AdjO · AdjD · SOS
AAudubonColonial
DI 69.46.50 AdjO3.02 AdjD92% match
MMiddlesexGMC
DI 76.17.01 AdjO2.54 AdjD92% match
BEBishop EustaceOlympic
DI 70.96.92 AdjO3.09 AdjD92% match
HCHunterdon CentralSkyland
DI 70.66.55 AdjO2.97 AdjD91% match
WWoodbridgeGMC
DI 69.36.97 AdjO3.50 AdjD89% match
LLivingstonSEC
DI 70.06.02 AdjO3.07 AdjD89% match
Team production

Batting Statistics

16 hitters
#PlayerPAHHRRRBISBAVGOBPSLGOPSwOBAwRC+Off
1Gehrig Seidenfrau1101201.0001.0001.0002.000.9003670.5
2Jack Alexander100000.0001.000.0001.000.7002660.3
3Max Garcia561901684.442.571.7211.292.55019110.0
4Rocco Pierorazio351101097.423.571.5381.110.4941625.4
5Selden Kolkebeck5420115101.444.537.5781.115.4931626.1
6AJ Aiello
Run prevention

Pitching Statistics

7 pitchers
#PlayerIPHRERBBSOERAWHIPK/7BB/7FIPPIT
1Selden Kolkebeck60.038211313781.520.859.101.521.4012.7
2Jack Lemonie32.02311810331.751.037.222.192.355.7
3David Brennan43.329191520342.421.135.493.233.123.6
4Jon O'Reilly5.0310110.000.801.401.403.902.1
5Kai Ross13.710549132.051.396.664.613.831.9
6Fran DeCandia6.07
Year-to-year development

Program Trends

Wins by season26Latest · 2025–2026
30231580
2011, 142012, 172013, 232014, 192015, 92016, 182017, 172018, 102019, 82021, 122022, 262023, 172024, 142025, 182026, 26
201120122013201420152016201720182019202120222023202420252026
2011142012172013232014192015920161820171720181020198202112202226202317202414202518202626
All-time history

Record Book

Season · Career · Single Game
Team record book
#PlayerTeamSeasonHits
1Anthony OnnemboOld Tappan2025–202650
2Max GarciaOld Tappan2025–202641
3Alex KranzlerOld Tappan2021–202236
4James KeatingOld Tappan2021–202234
5Selden KolkebeckOld Tappan2025–202629
6Joey CrescitelliOld Tappan2025–202627
7Rocco PierorazioOld Tappan2023–202426
8Anthony OnnemboOld Tappan2023–202424
9Alex GioffreOld Tappan2022–202323
10Alex ClydeOld Tappan2016–201721
11Elan OfeckOld Tappan2021–202221
12Max GarciaOld Tappan2023–202421
13James SteindlOld Tappan2016–201720
14Max NasjlettiOld Tappan2021–202220
15Selden KolkebeckOld Tappan2024–202520
16Logan YhuOld Tappan2021–202219
17Max GarciaOld Tappan2024–202519
18Anthony OnnemboOld Tappan2024–202518
19Isaiah Rodriguez JuniorOld Tappan2025–202618
20Deenae SujakOld Tappan2016–201717
21Eric ChaOld Tappan2022–202317
22Matt CarneyOld Tappan2016–201717
23Anthony OnnemboOld Tappan2022–202316
24Faybel VenturaOld Tappan2021–202216
25AJ AielloOld Tappan2025–202615
at
PH
Pascack Hills
L
1–5
Box score →
May 17atDBDon Bosco PrepBergen County Tournament, Semifinal RoundL0–12Box score →
May 16vsWWestwoodW8–1Box score →
May 14atTTenaflyW15–0Box score →
May 12vsTTenaflyW9–1Box score →
May 10vsMMahwahBergen County Tournament, Quarterfinal RoundW9–4Box score →
May 7vsSMSt. Mary (Ruth.)Bergen County Tournament, Round of 16W1–0Box score →
Apr 30vsDDemarestW11–1Box score →
Apr 29atDDemarestW8–2Box score →
Apr 27vsDDwight-EnglewoodW15–0Box score →
Apr 25vsPParamusW11–1Box score →
Apr 23atPVPascack ValleyL0–4Box score →
Apr 21vsPVPascack ValleyL1–4Box score →
Apr 19vsRRamseyL6–9Box score →
Apr 16atPVPassaic ValleyL3–4Box score →
Apr 14vsWVWayne ValleyW8–2Box score →
Apr 11atRRamapoW6–0Box score →
Apr 9atTTeaneckW14–1Box score →
Apr 8vsTTeaneckW16–1Box score →
Apr 5vsBCBergen CatholicW3–2Box score →
Apr 2atBBergenfieldW5–1Box score →
Mar 31vsBBergenfieldW6–2Box score →
Player directory

Roster

20 players
#PlayerGradePositionPAIP
#8Alex OrecchioSenior2B36—
#19Fran DeCandiaSeniorP—6.0
#18Gehrig SeidenfrauSenior1B1—
#3Jack AlexanderSenior1B1—
#10Jon O'ReillySeniorP—5.0
#7Kai RossSeniorIF, P113.7
#2Rocco PierorazioSeniorIF35—
#4Troy EssmannSeniorC2—
#23AJ AielloJunior3B51—
#15Anthony OnnemboJuniorC49—
#3Chris ChoJuniorP23.0
#1Joey CrescitelliJuniorOF29—
#24Mateo SkificJuniorP31—
#21Max GarciaJuniorIF56—
#25Selden KolkebeckJuniorP5460.0
#5Caden YoonSophomoreIF31—
#26David BrennanSophomoreP—43.3
—Isaiah RodriguezSophomore17—
#11Maximos DemarasSophomoreSS7—
#17Jack LemonieFreshmanP—32.0
51
14
2
13
18
5
.350
.490
.650
1.140
.484
157
6.4
7Anthony Onnembo491824230.391.429.6741.102.4711514.6
8Isaiah Rodriguez1760582.400.471.6001.071.4711511.9
9Alex Orecchio361301463.419.500.452.952.4331322.6
10Caden Yoon3190745.360.484.400.884.4101202.1
11Maximos Demaras700300.000.571.000.571.4001150.2
12Joey Crescitelli2970632.304.448.391.840.3861080.9
13Chris Cho200020.000.500.000.500.35090-0.0
14Mateo Skific3170671.250.323.286.608.28456-2.2
15Kai Ross100000.000.000.000.000.000-87-0.3
16Troy Essmann200010.000.000.000.000.000-87-0.7
3
1
3
1
1.17
1.67
1.17
3.50
4.77
1.6
7Chris Cho3.0200010.000.672.330.003.431.3