Arizona Cardinals tight end Zach Ertz left Sunday's game against the Los Angeles Rams with a knee injury and was ruled questionable to return.
Ertz made a catch in the first quarter and was brought down by a pair of Rams defenders before he began to favor his knee. He went to the sideline and was later taken by a cart to the locker room as the first quarter was coming to a close.
Ertz's 12-yard catch off a pass from Col
