Ranked as one of the elite multi-sport athletes in Saint Joseph's history, Favreau quickly established herself on the softball diamond as one of the best offensive and defensive shortstops to wear a Monks uniform. In 1990, during her senior season, she helped lead Saint Joseph's College to its first-ever NAIA New England Championship, batting .309 with 19 runs scored and a team high 20 RBI. She received All-District and All-State honors in 1988, 1989, and 1990. She was also a key ingredient on and off the field for the women's soccer program. She was instrumental in developing a women's club soccer team and was part of the inaugural varsity year in 1988.
Career Statistics:
| YEAR | G | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SAC | SB | AVG |
| 1987 | 21 | 60 | 33 | 19 | 7 | 0 | 1 | .317 | ||||||
| 1988 | 29 | 91 | 41 | 31 | 23 | 4 | 2 | .341 | ||||||
| 1989 | 21 | 62 | 21 | 22 | 3 | 0 | 1 | 11 | 20 | 4 | 1 | .355 | ||
| 1990 | 30 | 84 | 19 | 26 | 4 | 1 | 0 | 20 | 23 | 0 | 5 | 6 | 2 | .310 |
| Total | 101 | 297 | 114 | 98 | 7 | 1 | 1 | 61 | 43 | 0 | 9 | 10 | 6 | .330 |
| Year | G | A | PTS |
| 1988 | 11 | 6 | 28 |
| 1989 | 9 | 1 | 19 |
| Total | 20 | 7 | 47 |
