| Team |
Date |
Transaction |
 |
March 4, 2020 |
2B Riley Mahan assigned to Miami Marlins. |
 |
June 20, 2019 |
2B Riley Mahan assigned to Jacksonville Jumbo Shrimp from Jupiter Hammerheads. |
 |
June 18, 2018 |
Jupiter Hammerheads activated 2B Riley Mahan from the 7-day injured list. |
|
June 5, 2018 |
Jupiter Hammerheads placed 2B Riley Mahan on the 7-day disabled list. |
|
April 3, 2018 |
2B Riley Mahan assigned to Jupiter Hammerheads from Greensboro Grasshoppers. |
|
February 24, 2018 |
2B Riley Mahan assigned to Miami Marlins. |
 |
September 9, 2017 |
Greensboro Grasshoppers activated 2B Riley Mahan from the 7-day disabled list. |
|
July 5, 2017 |
Greensboro Grasshoppers placed 2B Riley Mahan on the 7-day disabled list retroactive to July 3, 2017. Right groin Injury. |
|
June 26, 2017 |
2B Riley Mahan assigned to Greensboro Grasshoppers. |
|
June 23, 2017 |
Miami Marlins signed 2B Riley Mahan. |
