The Diamondbacks were the victims of two injuries Monday,one of which will send a player back to Arizonafor treatment.Center fielder Chris Young suffered a right quad injuryrunning out on a grounder in the eighth inning. The 29-year-old appeared toease up midway to first base.It just grabbed on me a little, Young told azcentral.com.It feels fine walking, so I dont think its anything serious.The same cannot be said for Willie Bloomquist, who playedMonday for the first time since Aug. 8. The infielders back problems willforce him to return to Phoenixfor an injection.Its not progressing how I want it, Bloomquist said. Wedont have a lot of time left. This will help speed the process up andhopefully get me healthier.Bloomquist had a pinch-hit RBI single Monday, driving inPaul Goldschmidt in the sixth to put the Diamondbacks up 5-4. The 34-year-oldutility player has hit .302 this season but has played in just 80 games whiledealing with back problems. Bloomquist has played in just three games sinceJuly 29.Young has slumped at the plate this season, hitting .226,and his 14 home runs put him well below the pace of his All-Star 2010 season inwhich he hit 27 homers.Bloomquist said he hopes to rejoin the team for its seriesat San Diegobeginning Friday, but that will depend on how his back responds to thetreatment.I imagine its going to be sore for a few days, from what Iunderstand, he said. You usually have to give it a couple of days to let themedicine work.With Mondays loss, the Diamondbacks are now 11.5 games backin the NL West and trail the St. Louis Cardinals by 7.5 games for the secondWild Card spot. To have any chance of making the playoffs, Arizona will need to make its move soon.