Mookie Betts had Dodger fans clenching their butt cheeks on Wednesday … when his foul ball almost took out Shohei Ohtani in the dugout — but thankfully, the $700 MILLION man took cover just in time!!

The frightening moment went down against the Rockies on Wednesday … right after Ohtani launched a 448-foot homer in the first inning.

As Ohtani celebrated with catcher Austin Barnes on the bench, Betts was up to bat — and after making contact on a pitch, the ball shot right toward the Japanese superstar.

“That should be, like, a no-sit zone,” the broadcaster said. “Especially for Shohei.”

Ain’t that the truth — after all, the last thing anyone wants is to see the three-time MVP sidelined with an injury at his own teammate’s expense.

President Donald Trump was just gushing over the four-time All-Star at the White House last month … when the Dodgers were in town to celebrate the World Series.