North Crowley 71, Arlington Martin 58
Grant Sherfield scored 16 of his game-high 22 points in the first half and No. 20 North Crowley eliminated District 4-6A rival Arlington Martin from the playoffs at Wilkerson-Greines Activity Center.
The Panthers (31-5) head back to WGC for this weekend's Class 6A Region I tournament, their ninth in program history and first since 2015.
North Crowley will play Allen, 6 p.m. Friday.
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Sherfield, a UCLA commit, scored 10 points as the Panthers got out to a 17-9 lead after the first quarter. Isaiah Wyatt's 3-pointer from the left wing extended the lead to 26-16 before North Crowley went into the half ahead 32-21.
Isaiah Crawford added 14 points for the Panthers. Isaiah Pittman, 23, and Nick Gardner 16, led the Warriors (17-19).
Denton Guyer 79, South Grand Prairie 77
Le'Tre Darthard's layup with four seconds left gave the state's No. 1 team a thrilling victory and shocked upset-minded South Grand Prairie at Coppell High School.
With the game tied, the Warriors had the final shot, but Jalen Wilson recorded the steal and dish to Darthard to complete Guyer's comeback.
The Wildcats (37-1) joins North Crowley and Allen this weekend where they'll play Odessa Permian, 7:30 p.m. Friday.
South Grand Prairie (26-10) led by six points with over a minute left after a 3-pointer from Kelyn Pennie, but Guyer tied it up with threes from Wilson and Grayson Carter.
Wilson led the Wildcats with 17 points. De'Vion Harmon (16). Carter (13), Darthard (13) and JaKobe Coles (11) also scored in double figures.
Justin Northwest 55, FW Southwest 51
UTA signee Mason Hix scored 21 points and Avery Anderson added 15, and the No. 2 Texans held off a late rally from Southwest at Thomas Coliseum.
Northwest (31-5) punched its ticket to a second-consecutive Class 5A Region I tournament in Snyder where the Texans play Amarillo Randall, 6 p.m. Friday at Western Texas College.
The Texans held a comfortable lead throughout the first half, but after going up 35-20 in the third, the Raiders rallied.
Southwest, which was playing in the regional quarterfinals for the first time since 2012, got within eight following Michael Underwood's 3-point basket.
Northwest kept its distance, but Underwood hit another three from the left wing to bring the score to five with 2:30 to play. The Texans made their free throws down the stretch.
Underwood finished with 12 points. Andrew Wyzykowski had a team-high 13 and Jainon Lusk added 12.
FW Wyatt 56, Wichita Falls Rider 42
The Chaparrals forced 20 turnovers in Jacksboro to clinch their first trip to the regional tournament since 2008.
Wyatt (22-11) led by one at halftime, but extended it to seven points after three quarters of play.
Jimmie Kelly led the Chaps with a game-high 16 points and hit four 3-pointers. Jacobi Lewis and Traylynn Spencer chipped in 12 and nine points.
The Chaparrals outscored Rider 27-14 in the second half. They'll face Amarillo, 4 p.m. Friday in Snyder.
Lancaster 75, Waxahachie 67
The No. 11 Tigers ended the game with 11-straight points to upset No. 1 Waxahachie at UTA's College Park Center.
Four scored in double figures led by LaQuan Butler's 20 points. Carlos Johnson (18), Wade Taylor (13) and Mike Miles (11) also chipped in for Lancaster, which keeps its quest of a third state title in fours years alive.
The Tigers (22-13) play Mount Pleasant in the Class 5A Region II tournament, 7:30 p.m. Friday at Curtis Culwell Center in Garland.
Midlothian 53, Mansfield Timberview 50
TCU signee Kaden Archie scored a game-high 26 points to lead No. 9 Midlothian past the defending state champion and No. 3 Timberview Wolves at College Park Center.
The Panthers (26-10) clinched their first regional tourney berth and will face Prosper, which beat Sulphur Springs in triple overtime, 6 p.m. Friday in Garland.