Jackson recorded his eighth hold in a win over the Mariners on Tuesday, firing a scoreless eighth inning during which he allowed a hit and a walk while recording a strikeout.
Jackson served as an effective bridge to closer Dany Jimenez in the ninth inning by putting together an eighth straight appearance without allowing an earned run. The right-hander has lowered his ERA from 4.91 to 2.75 in the process while also recording a win and four holds.