Bulls rush new recruits into battle
The other newcomers - Coenraad van Vuuren (prop) and Shaun Adendorff (flank) - will be playing off the extended bench.
Marais said he is looking at give everyone a run in the opening warm-up run of the season.
Kotze joined from the Stormers, Maxwane is a former South African Sevens Academy graduate, Van Vuuren hails from Free State and Adendorff from Boland.
The run-on team will be captained by Nic de Jager, but Hanro Liebenberg will take over the captaincy when he takes to the field.
Bulls: 15 Manie Libbok, 14 Luther Obi, 13 Johnny Kotze, 12 John Jackson, 11 Sibahle Maxwane, 10 Tony Jantjies, 9 Andre Warner, 8 Renaldo Botha, 7 Hendre Stassen, 6 Nic de Jager (captain), 5 Abongile Nonkontwana, 4 Ruben van Heerden, 3 Jacobie Adriaanse, 2 Edgar Marutlulle, 1 Lizo Gqoboka.
Replacements - from: Francois Brummer, Franco Naude, Pierre Schoeman, Corniel Els, Coenraad van Vuuren, Rudolph Snyman, Shaun Adendorff, Hanro Liebenberg, Ivan van Zyl, Tian Schoeman, Burger Odendaal, Dries Swanepoel, Jamba Ulengo, Jade Stiglingh, Warrick Gelant.
Date: Saturday, January 28
Venue: National Sports Stadium, Harare
Kick-off: 13.00 (11.00 GMT)
Referee: Jaco Peyper