It was Tolleson 's third blown save in his last five chances .
Tolleson gave up Khris Davis ' third homer , a two - out ninth - inning grand slam , for an 8 - 5 loss to Oakland at the Coliseum .
It was Tolleson 's third blown save in Tolleson 's last five chances .
Tolleson gave up Khris Davis ' third homer , a two - out ninth - inning grand slam , for an 8 - 5 loss to Oakland at the Coliseum .