Brandon Allen certainly sent a message that he’s up for the challenge of competing for the A’s first baseman job this spring by belting a grand slam and driving in seven runs in a 12-10 victory against the Chicago Cubs on Sunday. Allen went deep in the fourth, added a two-run double in the fifth and drove in the go-ahead run in the ninth with a groundout. In 41 games with the A’s last year, Allen hit .205 with three home runs and 11 RBIs. Read More