The Indianapolis Colts defense was dealt a heavy blow on Thursday when it was announced that this week in practice.Despite that, a few of their other young defenders who mi sed Wednesday's practice were back in some capacity on Thursday. How the rest of their injuries shape up for the final day of practice on Friday followed by the official injury report could play quite the role in Sheldrick Redwine Jersey Sunday's matchup with the San Francisco 49ers, who have been a little bit snakebitten themselves.Here is how the Colts and 49ers are looking, health-wise, before this Sunday night's Week 7 matchup.WEDNESDAYDid Not Participate WR T.Y. Hilton Joe Schobert Jersey (quad), LB Darius Leonard (ankle), DE Tyquan Lewis (elbow), DE Kwity Paye (hamstring), OT Braden Smith (foot/thumb), DE Kemoko Turay (groin), RB Jordan Wilkins (non-football illne s), CB Rock Ya-Sin (ankle)Limited Participant S Julian Blackmon (Achilles), S Andrew Sendejo (concu sion)THURSDAYDid Not Participate S Julian Blackmon (Achilles), TE Jack Doyle (rest), WR T.Y. Hilton Greg Joseph Jersey (quad), OT Braden Smith (foot/thumb), DE Kemoko Turay (groin), RB Jordan Wilkins (non-football illne s), CB Rock Ya-Sin (ankle)Limited Participant LB Darius Leonard (ankle), DE Tyquan Lewis (elbow), DE Kwity Paye (hamstring), CB Xavier Rhodes (ankle), S Andrew Sendejo (concu sion)Leonard, Lewis, and Paye were all able to return to the field as limited participants Thursday. That was to be expected for Leonard, who has followed a similar script each week while he deals with his ankle injury. However, Paye has mi sed some time with his hamstring recently. As for Sendejo, , so we'll see if Trevon Coley Jersey he can clear the concu sion protocol in time for Sunday. Ya-Sin remaining out likely means a bigger role for Isaiah Rodgers again this week if Ya-Sin can't go.Scroll to ContinueWEDNESDAYDid Not Participate DT Javon Kinlaw (knee), QB Trey Lance (knee), OT Trent Williams (ankle/elbow)Limited Participant QB Jimmy Garoppolo (calf), LB Marcell Harris (thumb)Full Participant CB K'Waun Williams (calf)THURSDAYDid Not Participate DT Javon Kinlaw (knee) Chris Hubbard Jersey , QB Trey Lance (knee), OT Trent Williams (ankle/elbow)Limited Participant QB Jimmy Garoppolo (calf), LB Marcell Harris (thumb), DT Maurice Hurst (calf)Full Participant CB K'Waun Williams (calf)For the 49ers, they continue to deal with i sues to their quarterbacks as starter Garoppolo remains limited and backup Trey Lance remains out. There is optimism about Garoppolo's status for Sunday. Also, starting left tackle Trent Williams is still out with his ankle and elbow injuries.