I'd grab them, but I wouldn't start them over BAL. BAL is a superior defense with just as juicy of a matchup. But if you can spare another player to drop, then do that. I doubt your lineup in your sig is updated, but if it is, you've got a couple of obvious drops...
12 team, H2H, Standard Scoring (Starters in bold)
QB: P. Manning, Luck
WR: Julio Jones, Welker, Alexander, Hilton, Shorts
RB: Rice, Wilson, BJGE, LeShoure
DEF: DET, SD