Monday, August 10, 2009

Evaluating the Raptors' Offense

Offense is predicted to be the Raptor's major strength next year due to the likes of Hedo Turkolu, Chris Bosh, Andrea Bargnani and Jose Calderon in our starting rotation. To see if this claim is true, I am going to examine the offensive performance of the Raptors last year and try and make predictions for this upcoming season. This article is going to explore the Raptors' performance on the offensive end last year, subjective measure of what the team in general did and how key individual players performed. Tomorrow, I will outline this upcoming season with predictions of individual player performances, team sets and how the Raptors offense would rank along the division and the NBA.

Last year the Raptors scored 99 points a game and 45.8% shooting. Compared to the rest of the NBA, this was fairly mediocre. Looking at some advanced defensive statistics, the Raptors offensive efficiency was 104.3, a very poor 22th in the NBA. The conference finalists (Lakers, Cleveland, Orlando and Nuggets) were all top 8 in offensive efficiency so the Raptors have a lot to make up a lot of ground in this department. 9 out of the top 10 teams in offensive efficiency made the playoffs so it is a good indication of a play-off quality squad (Phoenix Suns were the only team who did not make the playoffs but they were a 9th seed and the reason they were not better was because of their extremely poor defensive efficiency (22nd in the NBA). Toronto also came 20th in efficient field goal percentage, dispelling the myth that they were a good shooting team. The team may have good shooters (and even that is up to debate) and if so, they were not put in situations where they could score efficiently. Finally, the Raptors were ranked 3rd in assist ratio, and 14th in pace, meaning that this team was generally a half-court team which favored ball movement over 1 on 1 play.

I am going to break the Raptors season into three parts: beginning of the season with Sam Mitchell, the implementation of Jay Triano (with Calderon being injured), and the addition of Shawn Marion. There are many more subtle variables (Bargnani playing small forward, Bargnani becoming the starter and JO getting injured) but they will be considered in the context of their respective category.

At the beginning of the season, Sam Mitchell was trying to identify how to co-exist Bosh and O’Neal. At the same time, he was trying to give Bargnani as much time as possible. For offense, the main set being run was a pick and pop with Bosh and Calderon at the three point line with Bosh generally receiving the pass. At this position, Bosh would generally try to create opportunities one-on-one with the intent of getting to the free-throw line. This offense was predicated on the half-court because of O’Neal’s lack of agility and Calderon’s cautious nature. When this proved to not be effective, Mitchell tried the “towers” approach by putting Bargnani at small forward. This was a disaster defensively as Bargnani could not cover SF’s resulting in rotations of help defense of easy buckets for the opposition.

Jay Triano’s arrival as the head coach marked a shift towards more ball-movement and running in the open court. Triano spoke about finding cutters and creating scoring opportunities through ball movement. However the early term was more of the same as the team struggled to embrace the new methods. O’Neal got injured and Bargnani eventually become the full-time starter and with Bargnani willing to run the floor, the offense started to speed up a little. When I watched the games, one positive I remembered was the back-door cut of Jamario Moon with Calderon hitting him for an alley-oop.

Finally, there was a significant shift in offensive philosophy when O’Neal and parts was traded for Shawn Marion and Banks. This moved signified that the Raptors were shifting from a half-court oriented team to more of a running team. Calderon came back and started taking more risks with his passing and Marion made smart offensive decision with his positioning and cutting. There was more running off opponent misses and pushing the ball. The emphasis was on strong ball-movement in the half-court set. This type of offense, in my opinion, was closer to what Triano envisioned for the Raptors.

With regards to individual statistics, we are going to examine Efficient Field Goal Percentage (eFg %) True Shooting Percentage (TS %) and the Usage Rate (USG%). I am also just going to focus on the major players for Toronto last season. eFg% is a measure of shooting percentage that takes into account that the three point shot is worth one more point with .500 being average while TS% is a measure that takes into account all different types of shots (three point, two point, free throw etc.) and the league average was around .541. Looking at some individual player statistics, Bargnani and Bosh had average efficient field goal percentage (eFg %) at .512 and .492 respectively, Calderon was extremely strong at shooting with at .561 eFg% and Jermaine O’Neal was fairly poor with .473 and .422. In terms of True Shooting % (TS %), Chris Bosh, Andrea Bargnani and Jose Calderon had very strong numbers, each above .559. Jermaine O’Neal and Shawn Marion both had below average TS%. Finally usage rate is an estimate of the percentage of team plays used by the player. On the team, Chris Bosh, Jermaine O’Neal and Andrea Bargnani had the highest usage rates with all of them being over 22%.

Looking at these results, it becomes clear that Jermaine O’Neal was a main reason why we had a poor season on offense. He had the third highest usage rate, and below average TS% and eFg% and also had one of the lowest (ignoring scrubs) assist rate on the team. He was, in my opinion, a black hole on offense and a large reason for our poor offensive play. Andrea Bargnani was an above average shooter but also had a low assist rate. He was a neutral on the offense for the Raptors last year. Chris Bosh was a good shooter (extremely good TS%, below average eFg% - because of inconsistency on three pointers), and had a below average assist rate and was considered a slight plus on offense. Jose Calderon was by far our best offensive player (extremely good TS% and eFg%) and also had an extraordinary assist percentage (41%). His usage rate was far too low for the offensive contribution he gave. I have to state this again, Jose Calderon was clearly our best offensive player by an enormous margin.

In general, the team’s emphasis was to throw it into the big man and let them try to create shot opportunities. Our best offensive player was severely under-utilized and two of the players with a higher usage rate than him were neutral or worse on offense. Bosh may be a better offensive player than the stats indicate, but the stats may have been lower because he had to create offense for himself and teammates, something which he is not strong at doing. Andrea Bargnani is a neutral on offense and that may improve, but if it does not, he has to improve his defense and rebounding significantly to warrant minutes in the rotation. Finally, it is such a relief that Jermaine O’Neal is gone, and our offense would be more efficient just because of that move. (I understand that he has been gone since the trade deadline, but I couldn’t find splits)

Note: thanks to basketballreference.com for the advanced metrics, and NBA.com for the general stats.

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