The Pirates optioned Jones to the Florida Complex League on Saturday.
Jones allowed two runs on five hits and two walks over 4.1 innings in a no-decision Friday. He struck out seven during the win over the Yankees.
Jones (6-8) took the loss Saturday against the Reds, allowing six runs on six hits and three walks while striking out five over five innings.
Jones (6-7) earned the win Sunday, allowing two runs on four hits over seven innings against the Nationals. He struck out nine.
The Pirates activated Jones (lat) from the 15-day injured list Tuesday, Noah Hiles of the Pittsburgh Post-Gazette reports.
Jones (lat) will be activated from the 15-day injured list and start Tuesday against the Cubs.
Jones (lat) struck out 10 and allowed one hit and no walks over five scoreless innings Tuesday in his rehab start with Triple-A Indianapolis.
Pirates GM Ben Cherington said Sunday that Jones (lat) will make at least one more rehab start before returning from the 15-day injured list, Noah Hiles of the Pittsburgh Post-Gazette reports.
Jones (lat) struck out three over 3.1 innings and gave up five runs (four earned) on seven hits and no walks in his second rehab start Wednesday with Triple-A Indianapolis.
Jones (lat) covered 2.2 innings and struck out three while giving up two earned runs on one hit and one walk in his rehab start Thursday with Triple-A Indianapolis.