Hartline (6'5, 287) was an undrafted free agent out of Central Michigan this year.
Here's one analysis of what Hartline brings to the table:
Hartline has been a durable and productive college blocker. He lacks the physical skills to start at the next level, yet his mental makeup and understanding of the position plus his versatility could help him find a spot as an inexpensive utility blocker.
The Dolphins practice squad now looks as such:
- DE Ryan Baker
- CB Will Billingsley
- LB J.D. Folsom
- WR James Robinson
- LB Danny Lansanah
- WR Julius Pruitt
- TE Kory Sperry
- T Andrew Hartline