Matt Meyer finished with 19 points, Dustin Wills had 14 and Lance Bernhard added nine, including two huge baskets in the final 3 minutes.
"It got pretty old, everyone saying we couldn't beat them," said Whiteside, who finished with 23 points, eight rebounds and five assists. "It felt pretty great to finally do it."
TUSSEY MOUNTAIN (63)
Holloway 26, Stevenson 5, A. Chamberlain 13, Heath 2, Rourke 3, P. Chamberlain 6, Zimmerman 6, Flenner 2. Totals 26 7-12 63.
SOUTHERN FULTON (71)
Whiteside 23, Wills 14, Bernhard 9, Meyer 19, Keebaugh 4, Dere 2. Totals 26 13-23 71.
Tussey Mt.14122116-63
S. Fulton19152314-71
Three-point goals-Tussey Mountain 4 (Stevenson, A. Chamberlain 3), Southern Fulton 6 (Bernhard 2, Meyer 4). Fouled Out-A. Chamberlain.
WRESTLING
No. 2 Williamsport 59 Catoctin 12
WILLIAMSPORT - The Wildcats won all but two bouts in improving to 9-2 with a win over Catoctin (8-9). Matt Allen (15-0) defeated Derek Fogle (21-2) for the second time in a week. Allen pinned Fogle in the Rebel Invitational finals last Friday.
Mike McGill improved to 21-2 with a pin at 103 while teammate Cory Kuczynski (20-3) had a 41-second pin for Wiliamsport.
103 - Mike McGill (W) p. Shawn Overzat, :57; 112 - Jeff Short (W) p. Brad Brown, 3:33; 119 - Cory Kuczynski (W) p. Jeremiah Powell, :41; 125 - Spencer Peyton (W) p. Skylar Poole, 1:34; 130 - Devin Hewitt (W) p. Joe Caudle, 1:42; 135 - Ryan Bowers (W) md. Mike Campbell, 14-6; 140 - Travis Brown (W) p. Rick Toms, 1:02; 145 - Zack Ausherman (C) p. Matt Smiles, 3:43; 152 - Ryan Hillegas (W) forfeit; 160 - Robbie Spigler (W) forfeit; 171 - Ethan Lord (W) md. Josh Sharp, 12-2; 189 - Matt Allen (W) d. Derek Fogle, 11-4; 275 - Kyle Nolan (C) forfeit.
MSD 47, Boonsboro 27
FREDERICK, Md. - Eric Bryson (103), Andrew Bryson (112) and Jake Stottlemyer (119) each had pins but Boonsboro (1-7) lost to Maryland School for the Deaf.
103 - Eric Bryson (B) p. Kermain, 1:20; 112 - Andrew Bryson (B) p. Glann, :40; 119 - Jake Stottlemeyer (B) p. Curry, :37; 125 - Cornish (MSD) forfeit; 130 -Soloman (MSD) forfeit; 135 - Marhel (MSD) forfeit; 140 - Oliver (MSD) tf. Ben Wood; 145 - Weidig (MSD) forfeit; 152 - Zach Stipanavic (B) by injury default over Zarembka; 160 - Jimmy Wilson (B) d. Baker (OT); 171 - Gardner (MSD) p. Daniel Harmon, :48; 189 - Wilkinson (MSD) forfeit; 275 - Ethridge (MSD) by forfeit.
GIRLS BASKETBALL
Southern Fulton 57 Hancock 28
HANCOCK - Kelly True had 21 points, Brooke Francis had 12 and Jodi Appel had 11 for Southern Fulton (13-4).
Carrie Beaver had nine rebounds for Hancock (10-11).
SOUTHERN FULTON (57)
True 21, Francis 12, White 2, Mellott 2, Appel 11, Spade 2, Bard 2. Totals - 21 9-11 57.
HANCOCK (28)
Bingaman 6, Beaver 9, Klinefelter 6, Mellott 3, Pittman 2, H. Barnard 2. Totals - 9 7-8 28.
Three-point goals - Southern Fulton 2 (Appel 2), Hancock 1 (Mellott).
Southern Fulton11201412-57
Hancock6697-28
Forbes Road 53 McConnellsburg 48
McCONNELLSBURG, Pa. - Forbes Road jumped out to a 17-5 lead and held on to defeat McConnellsburg Darcy Everitts had 14 points and six assists for McConnellsburg.
FORBES ROAD (53)
Cuchall 7, McGowan 12, Feight 5, Nepper 14, Tice 11, Hockenberry 2, Fraker 2. Totals 22 7-14 53.
McCONNELLSBURG(48)
Schooley 4, Umbro 5, Everitts 14, Paylor 10, Carmac 6, MacDonald 4, Anthony 4, Howell 1. Totals 18 9-18 48.
Forbes Road1712168-53
McConnellsburg5121318-48
Three-point goals - Forbes Road 2 (Cuchall, Tice), McConnellsburg 3 (Schooley, Umbro, Everitts). Fouled out - Feight (FR), Tice (FR).
FRESHMEN BASKETBALL
Girls
James Buchanan 44, Boiling Springs 26: Alisha Myers had 16 points and three steals and Brittney Atherton had 10 points and five steals to lead James Buchanan (12-0).
JV BASKETBALL
Girls
Berkeley Springs 47, Paw Paw 26: Julie Scherps scored 14 points and Amanda Willard had 10 points for Berkeley Springs (5-8).
McConnellsburg 31, Forbes Road 24: Kara Carmac had 12 points for McConnellsburg.
Williamsport 26, Musselman 22: Adrienne Munoz scored 11 points for Williamsport (9-1). Amanda Barnes had 11 points for Musselman.