Killingsworth announced Aug. 24 that he committed to UC San Diego, joining the program as a graduate transfer from Columbia, Arden Cravalho of 95.7 The Game San Francisco reports.
Smith tied his season high with 30 points (14-25 FG, 0-2 3Pt, 2-3 FT) and added four rebounds, four steals and three assists across 40 minutes Sunday in Columbia's 81-74 loss to Princeton.
Killingsworth will complete the season with Columbia but plans on playing elsewhere as a graduate transfer during the 2020-2021 campaign, Jeff Borzello of ESPN.com reports.
Stefanini is sidelined indefinitely due to a left foot injury and could be out somewhere between three and five months, Zach Rovner of The Daily Pennsulvanian reports.
Tape informed Columbia that he would leave the program and pursue opportunities elsewhere as a graduate transfer in 2019-20, Jeff Goodman of WatchStadium.com reports.
Castlin told Jeff Goodman of ESPN.com on Tuesday that he will be graduating from Columbia in the spring and will transfer to another program for the 2018-19 season.
Rosenberg tallied up a season-high 26 points (10-14 FG, 4-7 3Pt, 2-3 FT), along with two assists, one rebound, and one steal in 32 minutes during Saturday's win over Pennsylvania.
Lo produced 11 points (4-10 FG, 2-6 3Pt, 1-2 FT), five rebounds, four steals, one assist, and one block in 32 minutes of action in Saturday's tough battle against Harvard.
Mullins amassed 14 points (5-9 FG, 2-3 3Pt, 2-2 FT), five rebounds, three assists, and two steals in 30 minutes of play during Saturday's loss to Stony Brook.
Lo scored 20 points (6-14 FG, 3-9 3Pt, 5-6 FT), and also got seven rebounds, and two assists in 31 minutes during Columbia's win over NJIT on Saturday.
Lo tallied up 21 points (9-19 FG, 3-7 3Pt, 1-2 FT), six assists, two rebounds, and two steals in 37 minutes of play, during Friday's game against Saint Joseph.
Mullins totaled 18 points (6-12 FG, 4-8 3Pt, 2-3 FT), four rebounds, four assists, and three steals in Columbia's overtime loss to Fairfield on Friday.