TAMPA Senior WR Dontavia Bogan, the Bulls' only experienced option in the passing game, wore a boot on his injured right ankle after Saturday's loss at Florida, and coach Skip Holtz said he'll know more about the severity of the injury today. 'There's some swelling. We're going to have to wait and see,' Holtz said Sunday night. 'We're doing preventative X-ray things to see where that whole thing is. We'll have a much better feel (today), if it's just a sprain or if there's something else in there. I'm glad we have the open date this week.' The Bulls are off this week and have two comparably light opponents ahead in Western Kentucky and Florida Atlantic, before opening Big East play at home against Syracuse on Oct. 9. Bogan was injured making a third-down catch on USF's opening drive, and while he was able to play about 30 snaps, he was limited by the injury. 'I give him an awful lot of credit,' Holtz said. 'He did it very early in the game and really went hard on it, fought through an awful lot of pain on game day, never said a word and kept on playing.' TURNOVERS COSTLY: As he said after the game, Holtz was disappointed by the five turnovers against Florida four on interceptions by QB B.J. Daniels that took the Bulls out of a game they would otherwise have been competitive in. He didn't mince words in putting USF's struggles squarely on those five miscues. 'They all played well enough to win. That's the frustrating part for me,' Holtz said. 'Outside of the turnovers, and I'm not just trying to point a finger, but let's talk about the elephant in the room. I don't think you can talk about this game and talk around the turnovers when you talk about our football team. We have to learn how important that ball is.' HELMETS FLYING: Holtz said he too noticed an unusually high number of plays in which USF players lost their helmets, and while he doesn't know why it's happening, he's working to make sure it happens less when the Bulls return in two weeks. 'We've got to look hard at it is it our chinstrap, is it the fit of the helmet?' Holtz said. 'These happened a number of different ways, from the front, coming over from the back. It's something we have to look at.' THIS AND THAT: Holtz and his staff gave the 'Iron Bull' weekly honors to the offensive line, which had four of five starters grade out as winners. Florida had held Miami (Ohio) to 4 rushing yards in the Sept. 4 opener, and the Bulls rushed for 244 yards on 39 attempts, with Daniels rushing for 107. Holtz said DE David Bedford 'has probably been the biggest pleasant surprise of the season for me,' citing his practice work ethic and his game production. 