In 2019, MLB’s new trade deadline rules went into effect. July 31st turned into a hard deadline in terms of trading major league players. Teams still had the ability to make trades after that, but only for minor league players who hadn’t been promoted to the majors during the season. Additionally, any player designated for assignment could be claimed on waivers. The Yankees took advantage of the new rules by bringing in a boatload of relievers to help them through the final stretch of the season.
Statistics: 3 IP, 9.00 ERA, 8.21 FIP, 6.00 K/9, 6.00 BB/9, 3.00 HR/9, -0.1 fWAR
The Yankees hung Mantiply out to dry during a bullpen game against the Orioles in mid-August. During his three innings of work, he surrendered a two-run bomb to Trey Mancini. He was sent to Triple-A after that outing and failed to make it into another big league game.
Statistics: 8.2 IP, 4.15 ERA, 5.98 FIP, 12.46 K/9, 2.08 BB/9, 3.12 HR/9, 0.0 fWAR
The lefty reliever had terrific strikeout numbers, but was clobbered by home runs. He gave up a solo shot to Shin-Soo Choo in a game the Bombers were shut out of, a walk-off dinger to Bo Bichette in the 12th…