| Date | Transaction | |||
| 9/21/01 | Johan Santana: Johan Santana, LHP, activated from 60-day disabled list. | |||
| Casey Blake: Casey Blake, 3B, claimed by the Baltimore Orioles on waivers. | ||||
| Casey Blake: Casey Blake, 3B, designated for assignment. | ||||
| 9/18/01 | Michael Cuddyer: Michael Cuddyer, 3B-OF, had his contract purchased from Double-A New Britain of the Eastern League | |||
| John Barnes: John Barnes, OF, designated for assignment. | ||||
| John Barnes: John Barnes, OF, claimed by the Colorado Rockies on waivers. | ||||
| 9/4/01 | Danny Ardoin: Danny Ardoin, C, designated for assignment. | |||
| Tony Fiore: Tony Fiore, RHP, had his contract purchased from Triple-A Edmonton of the Pacific Coast League | ||||
| Adam Johnson: Adam Johnson, P, recalled from Triple-A Edmonton of the Pacific Coast League. | ||||
| Bobby Kielty: Bobby Kielty, OF, recalled from Triple-A Edmonton of the Pacific Coast League. | ||||
| 9/1/01 | Mike Duvall: Mike Duvall, LHP, had his contract purchased from Triple-A Edmonton of the Pacific Coast League | |||
| Johan Santana: Johan Santana, LHP, transferred from 15-day disabled list to 60-day DL. | ||||
| Matthew LeCroy: Matthew LeCroy, C/1B, recalled from Triple-A Edmonton of the Pacific Coast League. | ||||
