Zach Ertz couldn't hold back the tears after a big hit resulted in him being carted off the field ... and, there's now speculation he won't play in the NFL again.
The Washington Commanders tight end took the field in his team's game against the Minnesota Vikings Sunday ... and, with about 2 minutes left in the third quarter, he jumped to try and catch a pass from QB Marcus Mariota.
While in the air, Vikings safety Jay Ward leaned down and went straight through Ertz leg .