Chaz Williams averaged 15.5 points and 7.3 assists as a junior at UMass, but opted to return for his senior season and his numbers have improved (16.9 and 7.6). Some other high-profile players who chose to return to college for a fourth season and how they have fared through Wednesday's games:
* Preseason AP All-American team
Doug McDermott
F, Creighton
Eric Francis/Getty Images
Junior season
23.2 ppg, 7.7 rpg, .548 fg pct
Senior season
25.3 ppg, 7.1 rpg, .500 fg pct
Marshall Henderson
G, Mississippi
Maddie Meyer/Getty Images
Junior season
20.1 ppg, .350 3-pt pct, .381 fg pct
Senior season
18.8 ppg, .388 3-pt pct, .356 fg pct
Kendall Williams
G, New Mexico
Jeff Bottari/Getty Images
Junior season
13.3 ppg, 4.9 apg, .406 fg pct
Senior season
19.4 ppg, 5.1 apg, .511 fg pct
Shabazz Napier
G, Connecticut
Jared Wickerham/Getty Images
Junior season
17.1 ppg, 4.6 apg, .441 fg pct
Senior season
15.0 ppg, 6.1 apg, .476 fg pct
Russ Smith
G, Louisville
Andy Lyons/Getty Images
Junior season
18.7 ppg, 2.9 apg, .414 fg pct
Senior season
16.6 ppg, 5.2 apg, .449 fg pct
C.J. Fair
F, Syracuse
Nate Shron/Getty Images
Junior season
14.5 ppg, 7.0 rpg, .470 fg pct
Senior season
18.1 ppg, 5.3 rpg, .470 fg pct
Tim Frazier
G, Penn State
Maddie Meyer/Getty Images
Junior season
16.3 ppg, 3.8 apg, .357 fg pct
Senior season
18.4 ppg, 7.6 apg, .477 fg pct
Adreian Payne
C, Michigan State
Duane Burleson/Getty Images
Junior season
10.5 ppg, 7.6 rpg, .546 fg pct
Senior season
16.6 ppg, 7.9 rpg, .504 fg pct
Luke Knox/Globe staff