COLLEGIATE BESTS:
| Event | Score | Date | Site/Opponent |
| 100 Breast | 51.08 | 3/1/24 | B1G Championship |
| 200 Breast | 1:52.94 | 3/2/24 | B1G Championship |
| 100 Fly | 48.50 | 1/13/23 | Army |
| 50 Free | 19.71 | 2/29/24 | B1G Championship |
| 100 Free | 45.63 | 9/30/23 | St. Bonaventure |
| 200 Free | 1:40.03 | 2/2/24 | Villanova |
Career Accolades:
- Owns fasted 100 Breast time with his gold medal performance at B1G Championship (51.08)
- 2024 Big Ten 100 Breast Champion
- Owns the 2nd-fastest 100 (52.49) and 200 (1:54.38) breast times in program history
- B1G Freshman of the Week (2022) after sweeping the breaststroke events against Boston and Navy
- Academic All-Big Ten (2024)
- CSC Academic All-District (2024)
2024/25 (Junior):
- Navy (10/4): Touched first in the 200 Breast with a 1:58.50, followed by a third place finish in the 100 Breast with a 54.75. Contributed to a first place finish in the 400 Free relay, as well as a second place finish in the 200 Medley relay.
- Pitt (10/25-26): Finished first in the 200 Breast with a 2:00.03, and the 100 Breast with a 54.33 finish. Contributed to a first place finishing relay in the 400 Medley, and a second place finishing 200 Free relay.
- Ohio State (11/8): Touched second in the 200 Breast with a 1:56.00, and third in the 100 Breast with a 53.51. Helped the 200 Medley relay to a first place finish, and the 400 Free relay to a second place finish.
2023-24 (Sophomore):
- St. Bonaventure (9/30): Touched first in the 100 Breast with a time of 54.78, as well as the 200 Breast with a 2:00.22. Earned a career-best finish in the 100 Free with a time of 45.63. Contributed to two first-place finishes in the 200 Medley relay and the 400 Free relay.
- Navy (10/7): Collected four first place finishes, two individual titles in the 200 Breast and 100 Breast, as well as two relay victories in the 200 Medley and 400 Free.
- Big AL Invitational (12/1-12/3): Contributed to two first-place finishing relay teams in the 400 Medley and the 200 Medley. Touched first in the 100 Breast with an NCAA B-Cut time of 52.56. Added another fourth place finish in the 200 Breast with a B-Cut time of 1:57.00.
- Army (1/12): Touched second in the 100 Breast with a 54.43 finish, and the 200 Breast with a 1:59.65. Contributed to two victorious relay teams in the 200 Free and 100 Medley.
- VT/Princeton (1/20): Touched second in the 100 Breast with a 52.77, and the 200 Breast with a 1:55.94. Contributed to a second place finish in the 200 Medley relay.
- Villanova (2/2): Contributed to a first place finish with the 200 Medley relay, and the 400 Medley relay. Earned a new career best time with a third place finish in the 200 Free with a 1:40.03.
- B1G Championship (2/29-3/2): Contributed to a second place finish in the 200 Medley relay with an NCAA A Cut time of 1:22.93. Posted a career-best finish and NCAA B cut time of 19.71 in the 50 Free. Helped the 400 Medley Relay team to a third place finish with a B Cut time of 3:05.06, also good for a program record. Earned the B1G Ten title in the 100 Breast, recording a career best and program record of 51.08, an A Cut finish. Contributed to a fourth place finish in the 200 Free relay with a time of 1:17.24, good for a B Cut. Finished fifth in the 200 Breast with a B Cut qualifying time of 1:52.94, a personal best.
- NCAA Championship (3/30): Competed in the 200 Free relay, 100 Breast, 400 Medley and 200 Breast. His individual and medley performances at the B1G Championship and NCAA Championships earned him second team All-American honors.
2022-23 (Freshman):
- B1G Championships (2/22-25): Championship finalist in the 100 Breast (52.58), touching 8th, and consolation finalist in the 200 Breast (1:55.90), finishing 12th. Also contributed to the 5th and 6th-placing 400 Medley (3:07.75) and 400 Free (2:55.39) relays.
- v. Villanova (1/27): Won both the 50 Free (21.46) and the 200 Breast (2:06.58).
- v. Virginia Tech (1/21): Won the 100 Breast (54.10) and finished 2nd in the 200 Breast (1:57.97).
- v. Army (1/13): Won both the 100 Breast (54.17) and the 100 Fly (48.50). Part of the winning 200 Medley (1:26.88) and 200 Free (1:20.45) relays.
- NC State Invitational (11/17-19): Won the 200 Breast (1:54.38) and placed 2nd in the 100 Breast (52.76). Contributed to the 4th-placing 200 Free (1:18.63) and 5th-placing 200 (1:25.92) and 400 (3:09.34) Medley relays.
- v. West Virginia (11/5): Won the 200 Breast (2:00.65) and placed 2nd in the 50 Free (20.55). Part of the winning 400 Free Relay (3:00.10).
- v. Pitt/Notre Dame (10/21-22): Finished 2nd in the 200 Breast (2:01.37), 3rd in the 100 Breast (54.74) and 5th in the 100 Fly (49.20).
- v. Navy/Boston College (10/8): Won the 100 Breast (54.55), placed 2nd in the 200 Breast (2:00.47) and contributed to the winning 200 Medley Relay (1:28.81).
High School
Lazzerini broke multiple national records during his high school career at the British Royal School and was honored with a pair of high school mvp awards.
Personal
Lazzerini is the son of Marcelo and Milagros Angeli and has one sibling who graduated from Keiser University. He swam for the Andes Club while growing up in Chile. When Lazzerini isn't in the pool he is playing with friends or gaming online.
Why I Chose Penn State
"I chose Penn State because the swimming team is amazing and were very friendly, plus the academics were very important to me."