College Basketball · 2026-27 · Preseason
John Blackwell
Duke · Guard · Senior · 6-5 · #13
Transfer from Wisconsin
- #14 guard in the country
- #11 in the transfer portal
Projected role · 2026-27
Projected rotation player (about 21 minutes a game) at Duke, as a primary scorer and floor spacer: a smaller role than he had at Wisconsin (33.8 min).
- Projected minutes
- 21
- Spot in the rotation
- #6
From the Statboy preseason model. It updates once games start.
▸What is impact?
Impact is how many points per game a player adds to his team. 0 is an average player, so a plus number means he's better than average and a minus number means he's below. It's Statboy's own number, based on everything he does on the court and the level he played against.
Last season: the basics
2025-26 at Wisconsin: 34 games, 34 starts, 33.8 minutes a game.
- Points per game19.197th
- Rebounds per game5.192nd
- Assists per game2.367th
- Steals per game1.171st
- Blocks per game0.138th
- Turnovers per game1.728th
- Field goal %43.0%(198-461)59th
- 3-point %38.9%(96-247)83rd
- Free throw %86.3%(158-183)89th
Last season: advanced
Percentiles compare him with every Division I guard who played 300+ minutes.
- Usage rate26.5%style
Share of his team's possessions he ends (shot, free throws or turnover) while on the floor
- Offensive rating122.687th
Points he produces per 100 possessions he uses
- Defensive rating113.426th
Points allowed per 100 possessions while he's on the floor (lower is better)
- True shooting %60.0%84th
Scoring efficiency counting 3s and free throws
- Effective FG %53.4%73rd
Field goal % with 3s worth 1.5 times a 2
- Assist-to-turnover1.3948th
Assists for every turnover
- Offensive rebound %23.8%60th
Share of his team's missed shots he rebounds while on the floor
- Free-throw rate39.7%74th
Free throws attempted per 100 field goal attempts
- Win shares per 40.16791st
Wins he created per 40 minutes played
Players like John Blackwell
The closest matches among every guard in the country: all of last season's stats compared on the same scale, plus projected impact.
Returning
+0.53 impact · 18.1 pts · 4.3 reb · 1.9 ast
CompareTransfer from Butler
+0.78 impact · 17.1 pts · 2.2 reb · 2.6 ast
CompareTransfer from South Dakota
+0.39 impact · 20.6 pts · 5.1 reb · 1.3 ast
CompareReturning
+1.21 impact · 15.7 pts · 2.5 reb · 2.7 ast
CompareTransfer from Wake Forest
+1.81 impact · 21.4 pts · 6.5 reb · 1.9 ast
CompareReturning
+1.31 impact · 12.6 pts · 3 reb · 2.8 ast
Compare
Duke teammates
Patrick Ngongba II#9 · C · Returning- Cameron Williams#42 · F · Freshman · #4 recruit
- Drew Scharnowski#75 · F · Transfer from Belmont
- Cayden Boozer#118 · G · Returning
- Caleb Foster#154 · G · Returning
- Deron Rippey Jr.#166 · G · Freshman · #13 recruit
- Bryson Howard#356 · G · Freshman · #23 recruit
- Dame Sarr#651 · F · Returning
Impact = how many points per game he adds to his team when he plays. 0 is an average player (Statboy's own number).