Dolphins' Caldwell says QB Rosen starts with 'clean slate'
Miami Dolphins offensive coordinator Chad O'Shea speaks to the media during NFL rookie camp on Thursday, May 9, 2019, in Davie, Fla. (AP Photo/Brynn Anderson)

Miami Dolphins offensive coordinator Chad O'Shea speaks to the media during NFL rookie camp on Thursday, May 9, 2019, in Davie, Fla. (AP Photo/Brynn Anderson)

May. 09, 2019 02:46 PM EDT
Miami Dolphins assistant head coach Jim Caldwell laughs during NFL rookie camp on Thursday, May 9, 2019, in Davie, Fla. (AP Photo/Brynn Anderson)

Miami Dolphins assistant head coach Jim Caldwell laughs during NFL rookie camp on Thursday, May 9, 2019, in Davie, Fla. (AP Photo/Brynn Anderson)

May. 09, 2019 02:45 PM EDT