The Indianapolis Colts suffered a tough loss on Sunday when starting wide receiver Darrius Heyward-Bey left the game with a shoulder injury. The Colts were already looking thin at receiver before Heyward-Bey's injury. The fifth-year receiver only recorded two catches for 10 yards before leaving the game in the Colts' tough 24-20 loss against the Miami Dolphins.After receiving word that starting guard Donald Thomas will miss the rest of the season, the Colts received some good news for once. According to team sources on Monday, the MRI on Heyward-Bey's shoulder was negative and the receiver should return this week.Pagano on @theDHB85 "MRI was negative, he should be ready to go by Wednesday, if not, then Thursday." #INDvsSF— Indianapolis Colts (@Colts) September 16, 2013 The Colts missed Hewyard-Bey's presence on the field as they tried to mount a comeback against the Dolphins on Sunday. With starting tight end, Dwayne Allen, already missing time with a hip injury, the Colts were only left with Reggie Wayne and T.Y. Hilton as legitimate receiving threats on offense.Indianapolis will definitely welcome back Heyward-Bey this week as they prepare to take on NFC heavy weight, the San Francisco 49ers on Sunday. The Colts remain a game back in the division from the 2-0 Houston Texans, and with the much improved 1-1 Tennessee Titans, Indianapolis can't afford to slip further in the standings.Follow @TheNFLInjuryRpt Looking for fantasy football advice?