Sunday's win was the 12th straight match victory for FAMU (15-11, 10-0 MEAC) this season, locking down their first MEAC Southern Division title since 2014.
Lopez-Chavez added four blocks to her 19 kills, while freshman Nicole Abreu added nine kills and 11 digs, and freshman Radka Dimitrova had seven kills.
Freshman Maria Yvette Garcia had six kills, seven digs and three blocks, while freshman Elena Dimitrova finished with 39 assists.
Samara Brown led the Aggies (9-13, 6-3 MEAC) with 15 kills in Sunday's match.
NOTES: Lopez-Chavez was one of three seniors honored by FAMU following Sunday's matching during Senior Day Ceremonies. Also honored were middle blocker Dei'Ja Martin and outside hitter Starmichael Tucker.
@ FAMU Blanks NCCU Friday
On Friday, FAMU extended their winning streak, and clinched the MEAC Southern Division title outright with a 3-0 win over visiting North Carolina Central Friday at the Lawson Center.
FAMU clinched their first Southern Division title since 2014 with the straight set win, which was the team's 11th consecutive match victory.
Freshman Maria Yvette Garcia led all players with 16 kills for FAMU, followed by Radka Dimitrova with nine kills and Nicole Abreu with seven.
Elena Dimitrova finished with 37 assists, while Valentina Carrasco added 14 digs.
Kelsey Murphy led NCCU (5-15, 4-4 MEAC) with 11 kills and 10 digs Friday evening.
Friday's win means FAMU will go into the 2016 MEAC Volleyball Tournament, Nov. 18-20 at Princess Anne, Md., as the Southern Division's #1 seed.
WHAT'S NEXT: The Rattlers will now chase the MEAC Tournament title, which has eluded them since 2009, even though FAMU reached the finals three since that season.