This from the Red Sox:
The Red Sox today announced that the Sunday, April 22 home game against the New York Yankees, which was postponed due to inclement weather, will be made up as the opener of a split day-night doubleheader on Saturday, July 7 at 12:35 p.m. The second game of the doubleheader will be played at 7:15 p.m. as originally scheduled.
Fans holding tickets to the April 22 rainout (Game No. 9) may use those tickets for the 12:35 p.m. game on July 7.
The 12:35 p.m. game on July 7 will be televised on NESN with the 7:15 p.m. contest airing nationally on FOX.