Dallas Cowboys rookie quarterback Dak Prescott is having a phenomenal season by almost any measure. How does it compare to other great rookie campaigns?Its difficult to compare quarterbacks from different eras for two primary reasons. First, not all of the official statistics of the modern era were always kept; for example, sacks werent officially recorded until 1982. Second, passing has varied significantly throughout the years, so stats such as the traditional passer rating are fairly meaningless when comparing a player from 2016 to one from 1970.We do have a few common measures of quarterback performance we can rely on to compare passers across eras. Total yards, pass attempts and interceptions can all be boiled down into a stat known as adjusted yards per attempt (AYPA). Yards per attempt is one of the best ways to measure quarterback play because its a rate stat thats highly predictive of winning games. The adjusted part subtracts 45 yards from the yardage total for every interception a quarterback throws before dividing by attempts; the 45-yard adjustment has been shown to be roughly the yardage equivalent of an interception.To remedy the problem of different passing environments across eras, we can compare each quarterbacks AYPA with the league average for that season. For example, Prescotts AYPA is 9.2 so far this season, while the league average is currently 7.2. That means Prescott exceeds the league average by a net of 2.0 AYPA.Only three other rookie quarterbacks in NFL history with as many starts as Prescott have exceeded the league average in AYPA for their respective seasons by more than that. Otto Graham blew the doors off the rest of the league in 1946, averaging 11.2 AYPA when the rest of the league passed at a measly 3.7 AYPA rate. Y.A. Tittle averaged 8.4 AYPA as a rookie in 1948, compared to a league average of 4.6 AYPA. The third quarterback to top Prescott on the list is lesser-known Greg Cook of the Bengals, whose 1969 season beat the league average by 2.6 AYPA. Cooks career was cut tragically short by a chronic shoulder injury.The following is the list of rookie quarterbacks with the best AYPAs when compared to the league average of their respective years:Prescotts passing performance through 10 games outshines the season-adjusted rookie averages of other great first-year quarterbacks Dan Marino, Russell Wilson, Matt Ryan, Jim Plunkett and Ben Roethlisberger. He even beats non-rookie rookies, like Jim Kelley and Warren Moon, who had experience playing in the USFL and CFL respectively. Kevin Faulk Jersey . Traditional contenders Brazil, Greece and Turkey drew the other three spots to complete the 24-team field for this summers tournament in Spain, basketball governing body FIBA announced Saturday at its meeting in Barcelona. 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DENVER --?Paxton Lynch fought off nerves Sunday in his first NFL start as the Denver Broncos quarterback.But he couldnt overcome the Atlanta Falcons.Atlanta sacked Lynch six times as he finished 23-of-35 for 223 yards with a touchdown and an interception in the Broncos 23-16 loss, their first of the season.Lynch looked unsettled in the pocket at times against a Falcons defense that entered the game 30th in the league in total defense, 31st in pass defense and with just four sacks.Obviously you have some butterflies in your first NFL start, Lynch said. Its not a preseason game and your team is 4-0. You are excited about that, but you have to focus on the team and winning the ballgame. After that first drive, I was ready to go and ready to play with those guys.Lynch, the Broncos first-round draft pick in April, started while Trevor Siemian recovers from a left shoulder injury. Siemian, who had practiced on a limited basis this past week, was ruled out after a brief throwing session Saturday.Lynch fumbled twice -- the Broncos recovered both -- and before a surge in the fourth quarter, which the Falcons entered leading by 17, he had just 101 yards passing.?I am upset, obviously, because we lost, Lynch said. I am kind of happy that I got the first one under my belt. My first start with these guys and having a chance to play with them. If I get put in that situation again, I will know how to handle it a little bit better than I did the first time. I am glad I got the experience, but I am also upset that we didnt come out with the win.The Broncos also didnt provide Lynch the best of support, rushing foor 85 yards in their third consecutive game with less than 100 yards rushing.ddddddddddddThe Broncos pass protection was spotty at times, as well, with right tackle Ty Sambrailo being replaced in the fourth quarter.We have to help him better, us as coaches, Broncos coach Gary Kubiak said. We got down early in the game. We were committed to running the ball [Sunday] and tried to do that early. We did not run the ball well. We get down by 13, something like that, and were struggling to protect him. We put him in a really tough situation. Thats not the type of game you want to put him in.It was uncertain whether Lynch would start the Broncos Thursday night game at San Diego, which stands as the shortest turnaround between games they face this season.Siemian said after Sundays game that he had thrown a little bit at the teams practice Saturday when it was determined he would not play against the Falcons. Siemian also said he still believed he was close to returning to the lineup but would see how he felt this week and what the teams medical staff said in the coming days.Well see. ... Ill take it one day at a time and get right [Monday], Siemian said.Said Lynch: Im just going to keep approaching it like I have been approaching it. I am going to take it day by day, and if my number gets called again, then I am going to make sure I am ready to go out there and play. If my number isnt called, I am going to make sure to be ready to play if I have to go back in the game again. ' ' '