The Springboks are in France next week to avoid a coronavirus quarantine in Britain before facing Wales on November 6.
Rugby World Cup-winning captain Siya Kolisi and utility full-back François Steyn, who played for both French clubs, watched from the stands at La Defense Arena as Reinach claimed a starting spot on the month next with regular scrum-half Faf de Klerk. disappeared due to injury.
The Springboks will also travel to Scotland on November 13 before heading to England a week later for a replay of the 2019 World Cup final.
Reinach, 31, who will join the Boks before the trip to Cardiff, opened the scoring after five minutes, diving from close range.
His club and international teammate Handre Pollard started at center for the first time since May 2018 and scored a 55m penalty.
The former Northampton Saints half-back completed his brace just before the break with a superb 80m effort where he edged out Argentina winger Juan Imhoff after snatching possession from No.8 Racing Yoan Tanga.
Pollard, who suffered a serious knee injury on the same pitch in September 2020, failed to repeat his first-half feat by missing a long-distance penalty with 10 minutes left, but Montpellier held on. to climb to seventh place in the standings.
Earlier, former New Zealand center Francis Saili also scored twice to take promoted Biarritz from the bottom of the table with a 37-9 home win over Brive.
The Basque side failed to achieve a win in four matches before hosting the 1997 European Champions, but Saili crossed either side of the break to send the Basque side over Perpignan to 13th place.
Biarritz’s victory, a first since September 18, came in the final five minutes when Fiji striker Johnny Dyer scored and Saili became the supplier with a delicate off-load through the back door for the former Des Wallabies Henry Speight.
Elsewhere, Saili’s former compatriot and opening half, Lima Sopoaga, scored his first Top 14 with a transformation in Lyon’s 23-18 defeat at Stade Français.
Sopoaga, who joined the French Wasps team this quarter, was denied a first penalty for his new team as he took more than the 60 seconds allowed with an effort in the last quarter.
” It happens. Welcome to the Top 14, ”said Lyon coach Pierre Mignoni.
“It’s part of the sport, but that’s not why we lost them. It’s not the scorers’ fault, ”he added.
Later, Australian twins Richie and Rory Arnold are stranded as Toulouse welcomes Castres almost 100 years to the day since the two sides first met on October 30, 1920.
Toulon head coach Patrice Collazo is under pressure on Sunday as he takes his outfit to the former club of La Rochelle.
Next weekend, the Top 14 clubs will be deprived of their members of the France team as the Blues prepare to welcome Argentina on November 6.
© 2021 AFP