BOURBONNAIS, Ill. -- Chicago Bears quarterback Jay Cutler is trying to be a more efficient passer in an offence that demands it. No stranger to learning new offences, Cutler believes the attack he is becoming more familiar with each day at training camp can take the team down a different path -- even though its been slow going against a strong defence each practice. "Any time you go to a new offence, guys are going to be in similar positions on the field," Cutler said. "Its just learning the verbiage and being able to spit it out." Cutler is looking at his fourth Bears offence in five years and a fifth different offence in six years overall. He has never had a passer rating higher than 88.1 as a full-time starter, and as a Bear his average rating is 81.9. The latest offence is one requiring high efficiency and ratings of 90 or higher. New coach Marc Trestman is often associated with a traditional West Coast style offence, but the Bears new offence seems to be a blend, with parts borrowed from new co-ordinator Aaron Kromer and his former team, the New Orleans Saints. Theres even a CFL influence from Trestmans time as head coach of the Montreal Alouettes. "I think that what we did up north was we played the game like its played down south, played in the NFL," Trestman said. "We put the same system of football in there. We had a little more fun with motions and we had a little wider field and a little more space." The offence requires a quick release of the ball, usually on five-step or three-step drops. Trestman takes issue with the premise that Cutler is just now developing a quicker release. "I dont know that weve seen a quicker release -- hes got a quick release," Trestman said. "I think hes practicing very efficiently, hes throwing the ball away (when receivers are covered). Theres nothing wrong with that with the defence that we have. ... Were working hard every day to just try to continue to become more efficient at our mechanics and fundamentals, and to develop and distribute the ball the way he has is good at this time." Cutler credits his performance so far to working daily under Trestman, Kromer and quarterbacks coach Matt Cavanaugh. "Theyre quarterback friendly and they want to make it as easy as possible on myself and the other QBs," Cutler said. "So its fun to work with those guys. They understand offence, they understand what were going through and they want to put us in a position to be successful." The basis of the offence is to get the ball quickly to tight end Martellus Bennett and wide receivers Brandon Marshall and Alshon Jeffery. "Its similar to what we did in Denver: Get back and get it to those guys," Cutler said. "Ive got a lot of talent on my outside, so the faster we can get it to them and let them work, the better." The Bears were just 22nd in the league when it came to scoring touchdowns inside the opponents 20-yard line last season. At Wednesdays practice, the offence scored on three consecutive passes from inside the 20 to its group of tall receivers: Marshall, Jeffery and Bennett. "Its good to have a situation like that where you can throw some fades into the side of the end zone, and when (the defences) have to cover 53 yards in the end zone (from sideline to sideline) it makes it tough," Kromer said. While the Bears have traditionally been a running team, Cutler once threw it 616 times in Denver in an offence similar in style to this one. However, Cutler doubts hell be required to ignore running backs Matt Forte and Michael Bush. "Ideally, you want to be as close to balanced as you can," Cutler said. "I know Trest likes to air it out. But with our backs, and our ability to run the ball, the 616 (passes) or whatever it was, thats probably a high number, I would think." Cutler displayed one other aspect of the multi-dimensional offence with a read-option style, somewhat like Seattle and Washington used extensively last year with their running quarterbacks. Trestman thinks Cutler makes up for a lack of speed with his football smarts when it comes to running a read-option. "There are moments where a quarterback has to give it up for the cause, so to speak, but (Cutler is) a smart player," Trestman said. "He knows when to get down. He knows when to get out of bounds. And I think he can handle those types of things." NOTES: A day after left tackle Jermon Bushrod went down with a calf injury, backup Jonathan Scott was out with knee soreness. Both players were day to day. ... Middle linebacker D.J. Williams strained a calf and was in a soft cast after practice. His injury could take more than a week to heal, according to the team. Rookie second-rounder Jon Bostic took Williams place with the starters. ... 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