| Date | Player | Position | Transaction |
|---|---|---|---|
| May 20 | Mike Gillislee | RB | Signed/draft choice by Miami (Four-year contract (through 2016)) |
| May 17 | Dion Sims | TE | Signed/draft choice by Miami (Four-year contract (through 2016)) |
| May 16 | Rupert Bryan | RB | Signed by Miami |
| May 16 | Taylor Stockemer | WR | Cut by Miami |
| May 15 | Patrick Scales | LS | Cut by Miami |
| May 15 | Aaron Corp | QB | Signed |
| May 15 | Chas Alecxih | RDT | Cut by Miami |
| May 15 | Marvin McNutt | WR | Acquired from waiver |
| May 14 | Jelani Jenkins | MLB | Signed/draft choice by Miami (Four-year contract (through 2016)) |
| May 14 | Caleb Sturgis | KFG/KKO | Signed/draft choice by Miami (Four-year contract (through 2016)) |
| May 14 | Don Jones | SS | Signed/draft choice by Miami (Four-year contract (through 2016)) |
| May 13 | Jeron Mastrud | TE | Signed/unrest FA by Miami |
| May 13 | Louis Nzegwu | DE | Signed by Miami |
| May 10 | Karlos Dansby | LB | Signed by Miami (One-year contract (through 2013)) |
| May 5 | Tyson Clabo | ROT | Signed (One-year contract (through 2013)) |
| May 5 | David Hinds | RLB | Signed by Miami |
| May 5 | Clay Belton | QB | Cut by Miami |
| May 5 | Rob McCabe | LB | Cut by Miami |
| May 3 | Chris Barker | LOG | Signed by Miami |
| May 3 | Clay Belton | QB | Signed by Miami |
| May 3 | Sam Brenner | C | Signed by Miami |
| May 3 | Chad Bumphis | WR | Signed by Miami |
| May 3 | Chris Burnette | LDT | Signed by Miami |
| May 3 | Michael Clay | MLB | Signed by Miami |
| May 3 | Junior Collins | WR | Signed by Miami |
| May 3 | A.J. Francis | LDT | Signed by Miami |
| May 3 | Alonzo Highsmith | LLB | Signed by Miami |
| May 3 | Keelan Johnson | SS | Signed by Miami |
| May 3 | Jordan Kovacs | FS | Signed by Miami |
| May 3 | Ina Liaina | FB | Signed by Miami |
| May 3 | Cameron Marshall | RB | Signed by Miami |
| May 3 | Rob McCabe | LB | Signed by Miami |
| May 3 | Tristan Okpalaugo | RDE | Signed by Miami |
| May 3 | Emeka Onyenekwu | RDE | Signed by Miami |
| May 3 | Terrell Sinkfield | WR | Signed by Miami |
| May 3 | Taylor Stockemer | WR | Signed by Miami |
| May 3 | Patrick Ward | LOT | Signed by Miami |