Box-pro 19 bouts |
| date | w-l-d | last 6 | result | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1931-11-24 | Jose Ramos | 4 1 1 |   
| 22nd Engineers' Armory, New York | L-KO
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| 1930-09-09 | Paddy Quinlan | 9 4 1 |
| 22nd Engineers' Armory, New York | L-TKO
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| 1930-06-17 | George Giacchino | 12 6 0 |
| 22nd Engineers' Armory, New York | L-TKO
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| 1930-03-18 | Al Gainer | 2 1 0 | 
| Arena, New Haven | L-KO
| |||||||
Verified by Bob Yalen from Connecticut newspapers. Also, from Hartford Courant (Jack Kincaid).
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| 1930-03-10 | Bruno Sala | 9 7 2 |
| Madison Square Garden, New York | L-DQ
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| 1930-02-17 | Hale 'KO' Brown | 35 12 3 |
| Jamaica Arena, Jamaica, Queens | L-KO
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| 1930-01-08 | Bruno Sala | 7 6 1 |
| New York Coliseum, The Bronx | L-PTS
| |||||||
| 1929-09-30 | Bob Olin | 15 0 1 |
| St. Nicholas Arena, New York | L-KO
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Grillo was knocked down three times
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| 1929-07-30 | Buddy Howard | 3 0 0 |
| Queensboro Stadium, Long Island City, Queens | L-PTS
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| 1929-02-26 | Jack Kelly | 13 3 0 |
| Arena, New Haven | L-PTS
| |||||||
From Connecticut newspapers (Herb Goldman).
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| 1929-01-25 | Joe Barlow | 16 2 0 |
| Madison Square Garden, New York | L-PTS
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| 1928-11-30 | Leo Mitchell | 30 5 5 |
| Boston Garden, Boston | L-KO
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| 1928-10-19 | Jack Seagan | 4 2 0 |
| Ebbets Field, Brooklyn | D-PTS
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| 1928-09-20 | Ollie Joyner | 15 7 3 |
| Ebbets Field, Brooklyn | L-PTS
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| 1928-09-05 | Frank Cavanaugh | 19 9 2 |
| Ebbets Field, Brooklyn | W-TKO
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| 1928-08-15 | Charley Scherer | 14 13 5 |
| Ebbets Field, Brooklyn | W-PTS
| |||||||
Grillo's American debut. Heavyweight contender Harry Wills acted as second in Grillo's corner.
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| 1927-09-20 | Giacomo Panfilo | debut | Sala Carpegna, Milan | L-PTS
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Annuario della Boxe Italiana 2004
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| 1927-02-07 | Isadoro Rozas | 19 7 2 |
| Velodrome Jean Bouin, Marseille | L-PTS
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| 1925-05-31 | Michele Bonaglia | debut | Motovelodromo Torinese, Torino | L-PTS
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