Defender makes comeback from six month lay-off.
Tosin has been sidelined since pre-season, where he ruptured his Achilles tendon in the friendly against Bishop's Stortford.
It has been a six month recovery period for the powerful full back, who is expected to make a substitute appearance against the Addicks on Monday afternoon.
Marley Andrews plays his first game for the U21s since signing his development contract last week, whilst loanees Jack Marriott and Kenny McEvoy are also set to play.
U's: Bransgrove, Robinson, Vincent-Young, Harney, James, Andrews, Tennent, Olufemi, Harrison, Lawrence, Curtis, Sembie-Ferris, McEvoy, Bonne, Marriott