Allen scores 22, Georgetown beats No. 19 Butler on the road

Georgetown guard Jagan Mosely (4) drive son Butler forward Bryce Nze (10) in the second half of an NCAA college basketball game in Indianapolis, Saturday, Feb. 15, 2020. Georgetown defeated Butler 73-66. (AP Photo/Michael Conroy)

Georgetown guard Jahvon Blair (0) cuts between Butler guard Khalif Battle (4) and forward Sean McDermott (22) in the second half of an NCAA college basketball game in Indianapolis, Saturday, Feb. 15, 2020. Georgetown defeated Butler 73-66. (AP Photo/Michael Conroy)

Georgetown guard Terrell Allen (12) drives on Butler forward Jordan Tucker (1) in the second half of an NCAA college basketball game in Indianapolis, Saturday, Feb. 15, 2020. Georgetown defeated Butler 73-66. (AP Photo/Michael Conroy)

Georgetown center Qudus Wahab (34) gets a dunk over Butler forward Bryce Golden (33) and guard Khalif Battle (4) in the second half of an NCAA college basketball game in Indianapolis, Saturday, Feb. 15, 2020. Georgetown defeated Butler 73-66. (AP Photo/Michael Conroy)

Georgetown guard Terrell Allen (12) shoots over Butler guard Kamar Baldwin (3) in the second half of an NCAA college basketball game in Indianapolis, Saturday, Feb. 15, 2020. Georgetown defeated Butler 73-66. (AP Photo/Michael Conroy)

Georgetown forward Jamorko Pickett (1) goes up for a dunk in front of Butler forward Jordan Tucker (1) in the second half of an NCAA college basketball game in Indianapolis, Saturday, Feb. 15, 2020. Georgetown defeated Butler 73-66. (AP Photo/Michael Conroy)

Georgetown guard Terrell Allen (12) goes around Butler forward Jordan Tucker (1) in the second half of an NCAA college basketball game in Indianapolis, Saturday, Feb. 15, 2020. Georgetown defeated Butler 73-66. (AP Photo/Michael Conroy)

Georgetown head coach Patrick Ewing directs his team against Butler in the second half of an NCAA college basketball game in Indianapolis, Saturday, Feb. 15, 2020. Georgetown defeated Butler 73-66. (AP Photo/Michael Conroy)