Duke's Elizabeth Williams blocks Iona's Sabrina Jeridore (3) during the first half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. (AP Photo/Gerry Broome)

Duke's Haley Peters, left, guards Iona's Joy Adams, right, during the first half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. (AP Photo/Gerry Broome)

Duke's Allison Vernerey (43) drives to the basket against Iona's Jiya Dorcas-Eya (31) during the first half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. (AP Photo/Gerry Broome)

Duke's Chelsea Gray (12) reacts following a basket against Iona as Duke's Allison Vernerey (43) watches during the first half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. (AP Photo/Gerry Broome)

Duke's Allison Vernerey (43) shoots over Iona's Sabrina Jeridore during the second half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. Duke won 100-31. (AP Photo/Gerry Broome)

Duke's Chelsea Gray, center, celebrates with Sierra Moore, left, Haley Peters and Tricia Liston (32) following a play against Iona during the second half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. Duke won 100-31. Elizabeth Williams is at rear. (AP Photo/Gerry Broome)

Duke's Haley Peters (33) reaches for the ball against Iona's Damika Martinez (14) during the second half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. Duke won 100-31. (AP Photo/Gerry Broome)

Duke coach Joanne P. McCallie directs her team against Iona during the second half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. Duke won 100-31. (AP Photo/Gerry Broome)

Duke's Chelsea Gray (12) charges upcourt following a steal against Iona during the second half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. Duke won 100-31. (AP Photo/Gerry Broome)

Duke's Elizabeth Williams (1) shoots over Iona's Diana Hubbard during the first half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. Duke won 100-31. (AP Photo/Gerry Broome)

Duke's Allison Vernerey struggles for the ball with Iona's Joy Adams, top, during the second half of an NCAA college basketball game in Durham, N.C., Sunday, Nov. 18, 2012. Duke won 100-31. (AP Photo/Gerry Broome)

Iona coach Anthony Bozzella reacts during the second half of an NCAA college basketball game against Duke in Durham, N.C., Sunday, Nov. 18, 2012. Duke won 100-31. (AP Photo/Gerry Broome)