German Tennis Federation (DTB) president Dietloff von Arnim will talk with Boris Becker next week about a possible return to the DTB, following criticism from the triple Wimbledon champion. “I have a phone appointment with Boris next week. I will gladly discuss our high performance concept with him,” Von Arnim told dpa at the French Open. Becker, 56, had said earlier in the week on Eurosport he was ready to return to the DTB but said Von Arnim had never followed up on an approach last summer. The former world number one said he was not after money in a return and suggested that more involvemen…