Personal
- Parents are Francisco Medina and Petra Patricia Antelo
 - Started playing tennis because of his parents
 - Loves Italian food and looks up to Michael Jordan
 
Pearce's Comments: "Alonzo is a great all around player. He should be able to step it up when we need him to. As a senior, he's got some great experience as well."
Before BYU
- Attended Campogrande High School
 - Was No.2 in both his state and region
 - Ranked as high as 10 nationally in Mexico in juniors
 - Played first two years at Fresno City College where he played No. 1 in both singles and doubles
 - Two-time All-conference in singles and doubles
 - Two-time singles and doubles junior college All-American
 - Advanced to semifinals of the 2001 ITA JC National Championships
 - Ranked No. 1 in Northern California Junior Colleges in 2001 and 2002
 
Stats
| Year | Singles | Doubles | 
|---|---|---|
| 2002-03 | 14-16 | 13-17 | 
| 2003-04 | 1-3 | 2-5 | 
| Career | 15-19 | 15-22 | 
