The England boss will name a larger provisional team of roughly 30 players on Tuesday at 14:00 BST.
The final 26-man roster will be announced on June 8 after two friendlies against Iceland and Bosnia and Herzegovina, and it will be submitted by midnight on June 7.
Prior to the announcement, we examine some of the important problems and ask you to select your favorite starting XI for the Three Lions’ first game against Serbia.
England’s depth is most often found in this region of the pitch.
At one point, you could have projected Southgate’s front three to be Bukayo Saka, Harry Kane, and Marcus Rashford.