Rob Gronkowski (Patriots, TE): Left field with about four minutes left vs. Colts, reportedly because of a broken forearm.
Willis McGahee (Broncos, RB): Left game vs. Chargers in second quarter because of a right knee injury.
Julio Jones and Asante Samuel (Falcons, WR and CB): The Falcons lost Jones in the fourth quarter vs. Cardinals because of a right ankle injury and Samuel in the first half because he hurt his right shoulder.
Danny Amendola (Rams, WR): Injured his right foot in the first half vs. Jets, but returned for the second half. ... The Jets lost two players because of injuries: DT Kenrick Ellis (left knee) in the first quarter and CB Aaron Berry (quadriceps muscle) in the third.
Jeff Backus (Lions, T): Injured his right hamstring vs. Packers, putting his 186-game starting streak is jeopardy next week.
Blaine Gabbert (Jaguars, QB): Bruised his right elbow in the first quarter vs. Texans and left game.