UPDATE: Sprint Formally Requests FCC to Deny AT&T's Takeover of T-Mobile

Sprint S announced today it has formally requested the Federal Communications Commission to block AT&T's T proposed $39 billion takeover of T-Mobile USA, noting the Commission's responsibility to protect consumers and the industry against precisely the kind of anti-competitive market control that will result from this transaction. Sprint made the request in a “Petition to Deny” filed at the FCC this afternoon.