Coaching flare-ups, desperate injuries and Premiership drama featured on a tumultuous weekend's rugby.
They are one of the biggest clubs in the world but Munster are stuck on the second tier.
Sweetnam, who can play at fullback or on the wing, has represented Munster 92 times and scored 22 tries since making his debut in 2015.
It has been a frustrating near 14-month stint on the sidelines at Munster for their injury-plagued out-half Joey Carbery.
JJ Hanrahan’s last-gasp drop goal snatched a late 18-16 Guinness Pro14 victory for Munster at Benetton.
Ulster maintained their 100 per cent start in the Guinness PRO14 as they began the new year by beating Irish rivals Munster 15-10, although they were made to fight all the way at the Kingspan Stadium.
A youthful Munster pick had the four-try bonus point pocketed before half-time in their comfortable PRO14 win over Zebre on Monday night.
Fullback Matt Gallagher scored two of the Munster tries.
Munster have named 10 Ireland internationals and a Springbok in their squad to take on Dragons as they make seven changes to the side that recorded victory against Cardiff Blues.
The teams for the first Monday Night Rugby fixture of the 2020/21 Guinness PRO14 season have been named with Munster and Cardiff Blues battling to retain their unbeaten records.