He's used to competing, beating out hundreds of applicants for a federal clerkship and then a job at the United States Attorney's Office. And as a trial lawyer, he's used to performing for an audience. So he stands a good chance.
Here's a picture of AUSA Garofola from one of the upcoming episodes in which the contestants play dodgeball:
And here's Desiree:
I asked the U.S. Attorney's office for comment, and Alicia Valle on the office's behalf said: "We wish him luck." I like that they were good sports about it.
UPDATE -- the initial post had his name misspelled. It has been corrected, I hope.
UPDATE #2 -- some additional pictures of Mike: