Toppin hurts ankle while No. 15 Dayton beats UMass 88-60

Dayton's Obi Toppin (1) reacts after dunking during the first half of an NCAA college basketball game against Massachusetts, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)

Dayton's Obi Toppin lies on the court with an apparent injury during the second half of an NCAA college basketball game against Massachusetts, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)

Massachusetts head coach Matt McCall, right, argues a call during the first half of an NCAA college basketball game against Dayton, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)

Dayton's Obi Toppin (1) dunks as Massachusetts' Carl Pierre (12) during the first half of an NCAA college basketball game, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)

Dayton head coach Anthony Grand directs his players from the bench during the first half of an NCAA college basketball game against Massachusetts, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)

Dayton's Rodney Chatman (0) drives against Massachusetts' Samba Diallo (5) during the first half of an NCAA college basketball game, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)

Dayton's Rodney Chatman, left, steals the ball from Massachusetts' Carl Pierre (12) during the first half of an NCAA college basketball game, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)

Dayton's Obi Toppin (1) drives against Massachusetts' Tre Mitchell, left, during the first half of an NCAA college basketball game, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)

Massachusetts' Sy Chatman (1) is helped off the court by his teammates Jordy Tshimanga (32) and Ibi Watson (2) after an apparent injury during the second half of an NCAA college basketball game against Massachusetts, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)

Dayton's Jordy Tshimanga (32) shoots against Massachusetts' Tre Mitchell (33) during the first half of an NCAA college basketball game, Saturday, Jan. 11, 2020, in Dayton. (AP Photo/John Minchillo)