Mallinder starts at fly-half in Saints' season opener against Bath
Stephen Myler will start the game on the bench, with George North, Nic Groom, Paul Hill and Teimana Harrison also among a strong set of replacements.
Louis Picamoles will make his competitive debut after joining during the summer, with Jamie Gibson and captain Tom Wood completing an impressive back row.
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Hide AdWith Mike Haywood unavailable, hooker Charlie Clare, who has joined Saints from Bedford Blues, could make his debut.
Bath are without a number of big names, including Anthony Watson, Francois Louw and Luke Charteris.
But new boss Todd Blackadder is able to call on Kahn Fotuali’i, who lines up at scrum-half on his first appearance for the west country club.
Fotuali’i will be making his first return to Franklin’s Gardens, having left Saints after his contract expired during the summer.
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Hide AdSaints: Foden; K Pisi, G Pisi, Burrell, Tuala; Mallinder, Dickson; A Waller, Hartley, Brookes; Lawes, Paterson; Wood (c), Gibson, Picamoles.
Replacements: Clare, Ma’afu, Hill, Dickinson, Harrison, Groom, Myler, North.
Bath: Homer, Rokoduguni, Joseph, Clark, Banahan; Ford, Fotuali’i; Catt, Batty, Thomas; Ewels, Attwood; Garvey (c), Denton, Faletau.
Replacements: Dunn, Auterac, Palma-Newport, Sisi, Ellis, Cook, Priestland, Williams.