Buck Showalter meets with Jim Hunter and Mike Flanagan following the O's 3-2 loss
Arrieta, now 4-4, 5.23, gave up six hits and three runs over six innings. He threw 114 pitches, 63 for strikes. It was the O's 10th quality start over the last 12 games and Baltimore starters have pitched to an ERA of 2.84 over that time.
The O's were 4-0 in one-run games under Showalter until this defeat.
After Carl Crawford hit a solo homer in the last of the first, the O's tied it at one in the second. Luke Scott hit a leadoff double and scored on a Felix Pie sac fly.
Crawford and Matt Joyce drove in runs in the third as Tampa took a 3-1 lead. The O's pulled to within 3-2 when Jake Fox homered to left off Dan Wheeler in the top of the seventh.
The O's went 0 for 4on the day batting with runners in scoring position after going 1 for 8 on Saturday. They scored five runs on 12 hits in beating Tampa on Friday, but produced just five runs on nine hits the last two days there.
They are now 9-4 under Showalter, 11-37 vs. the AL East and 41-77 on the year.
The Birds host Seattle on Monday to begin a seven-game homestand.