There's been plenty of collisions between subs in history, but I can't recall a pair of boomers ever doing it
"Of course, what would really happen is that in Game 7, with the Red Sox winning 20-0 in the 9th inning, with two outs and two strikes on the last Cubs batter, a previously unseen meteor would strike the earth, instantly and forever wiping out all life on the planet, and forever denying the Red Sox a World Series victory..."