Nightwing Remembers Wally West (Rebirth)
Dick Grayson and Wally West were best friends before the Flashpoint event occurred. From – Titans – Rebirth
Barry Allen Remembers Wally West (The Flash Rebirth)
Their reunion was first illustrated in the first issue of Rebirth. From – The Flash Rebirth
Barry Allen Remembers The Original Wally West (Rebirth)
From – Rebirth #1