

Jonathan is in his second season at OBU after transferring from Ranger College, where he was named Best Defensive Player. He won two batting titles and two Gold Gloves at Juan Quirindongo High School. He also played for Raider and Vega Alta. He is the son of Roberto Gelpi and Elba Sierra. Jonathan chose OBU because "they have an awesome program and to finish school."
Jonathan's Favorites
Food: arroyo con gandules
Restaurant: El Pollito
Athlete: Roberto Alomar
TV Show: ESPN
Hobby: Volleyball
City: Vega Baja
Hangout: Sunset
Jonathan's Stats
Year G BA 2B 3B HR RBI SB
2010 51 .250 4 2 0 18 1
| # | Name | Cl. | Pos. | Ht. | Wt. | Hometown | Previous School |
|---|---|---|---|---|---|---|---|
| 1 | Alan Trayler | SR | IF | 5-11 | 200 | Dumas, Texas | Southern Arkansas |
| 2 | Jonathan Gelpi | SR | IF | 5-10 | 180 | Manati, P.R. | Ranger JC |
| 3 | Justin Brown | JR | P | 6-2 | 195 | Pflugerville, Texas | Ranger College |
| 4 | Jorden Newton | JR | Util | 5-9 | 175 | Gilroy, Calif. | Gavilan College |
| 5 | Chris Lemus | JR | OF | 5-8 | 150 | Riverside, Calif. | Chaffey College |
| 7 | Jake Kiebke | JR | IF | 5-9 | 170 | Detroit Lakes, Minn. | Northland CC |
| 8 | Terrence Buchanan | JR | IF | 6-2 | 175 | San Diego, Calif. | Palomar CC |
| 10 | Anthony Lopez | SR | IF | 6-2 | 205 | San Diego, Calif. | San Diego Mesa CC |
| 11 | Reece Alnas | SR | OF | 5-11 | 175 | Waikoloa, Hawaii | Palomar CC |
| 18 | Chad Hardison | JR | P | 6-4 | 165 | Fort Pierce, Fla. | Indian River CC |
| 21 | Kenny Wall | SO | OF | 5-11 | 155 | Paris, Texas | Paris HS |
| 23 | Daniel Marti | JR | P/IF | 5-10 | 180 | Caracas, Venezuela | Monterey Peninsula |
| 24 | Shaun Diesler | JR | OF/C | 6-1 | 225 | Tempe, Ariz. | South Mountain CC |
| 26 | Blake Gallacher | SR | P | 6-2 | 200 | San Diego, Calif. | San Diego Mesa CC |
| 27 | Steven Blanchette | SR | P | 6-0 | 175 | Los Angeles, Calif. | Cerritos |
| 29 | Richie Mirowski | SR | P | 6-2 | 175 | Redwood City, Calif. | Cuesta |
| 30 | Brenden Davis | SR | C | 6-3 | 235 | Keyport, NJ | Middlesex CC |
| 31 | Jesse Orozco | SR | P | 6-2 | 250 | San Bruno, Calif. | Skyline |
| 32 | Ryan Plum | SR | P | 6-6 | 220 | Ventura, Calif. | Ventura JC |
| 33 | Michael Sliger | SR | OF | 5-11 | 220 | Camarillo, Calif. | Oxnard JC |
| 34 | Mitchell Prophet | JR | C | 6-0 | 190 | Visalia, Calif. | Cuesta College |
| 36 | Kyle Brule | SR | RHP | 6-3 | 200 | Chandler, Ariz. | Arizona State |
| 38 | Daniel Baptista | JR | 1B | 6-5 | 290 | Fairfield, Calif. | Solano College |
| 40 | Mike Giaramita | SR | P | 6-4 | 210 | Staten Island, N.Y. | Purchase College |