Clay Harbor was diagnosed with a calf strain after getting carted off the field during Monday's practice and is expected to miss a month. (Source: CBSSports)
Fantasy Impact: His absence could give Brandon Barden and Marcel Jansen, an undrafted rookie, a chance to take the lead in the competition for the No. 2 job.
Starting tight end, Marcedes Lewis, missed nearly six full games with a calf injury last season so its worth keeping an eye on who wins the backup job.