There wasn't much news on the San Francisco 49ers' Thursday practice participation report, although there were a couple of minor changes from Wednesday's session. Running back Jordan Mason's status is unchanged while he works through an AC joint sprain in his shoulder.

In Week 7, running back Jordan Mason and the San Francisco 49ers' rushing attack will go up against the Kansas City Chiefs and their fifth-ranked run defense (88.4 rushing yards allowed per game). The game has a start time of 4:25 PM ET on Sunday.

The San Francisco 49ers got mixed injury news overall to start their week of practice ahead of a Week 7 showdown with the Kansas City Chiefs. Perhaps the most positive sign on a crowded practice participation report was the presence of running back Jordan Mason