It looks like the second (first since Josh Rosen) 2015 QB offer has been extended per TomVH:
Tom VanHaaren @TomVH 29s
2015 USC QB commit David Sills, per his father, has been offered by Michigan. Dad says Hoke in-school right now.
Also, it appears Tim Settle, 5 star DT out of Virginia has also been offered
Steve Lorenz @TremendousUM 4m
#Michigan has offered 2015 five-star defensive tackle Tim Settle