Oakland A’s activate Daniel Mengden, then DFA him

Photo by Cody Glenn/Icon Sportswire via Getty ImagesSunday brought good news and bad news for Oakland A’s pitcher Daniel Mengden.

Good news! He was activated from the injured list, after sitting out all of September due to a positive test for coronavirus.

Bad News! The A’s ran out of room for him on their roster, and upon his activation he was immediately designated for assignment.

Oakland’s 40-man roster remains full, plus two more pitchers who don’t count toward the total because they’re on the 45-day IL (A.J. Puk and Burch Smith). They do have another injured player who could go on the 45-day, as Matt Chapman is already ruled out for the year, but they’ll save that last bit of potential…