YES Network.com

NEW YORK (AP) -- Jason Bay is back on the disabled list with his second concussion in two years.

The New York Mets placed their oft-injured left fielder on baseball's seven-day DL for concussions Saturday and activated infielder Justin Turner from the 15-day disabled list.

After missing six weeks this season with a broken rib, Bay was hurt again Friday night when he crashed into the outfield wall while trying to catch Jay Bruce's inside-the-park home run for Cincinnati.

Mets manager Terry Collins says Bay has been told to stay home and rest for a couple of days until he's examined by doctors. Collins isn't sure how long Bay will be sidelined but expects it to be more than seven days.

Bay missed the final two months of the 2010 season with a concussion.