Mayberry, 30, has hit .213/.304/418 on the season, good for a 104 wRC+ (roughly league average). He’s best used as a lefty masher, as evidenced by his .255/.339/.582 line against southpaws this season. The Blue Jays are currently the 24th ranked team against lefties per wRC+, so the acquisition of Mayberry should help reinforce the July trade for Danny Valencia. Mayberry is owed about $250K of his $1.59MM salary for the remainder of the season. He’s currently on the disabled list, but he can help Toronto beyond the 2014 season if they wish, as he is controlled through 2016 via arbitration.
Pierre, a 22-year-old utility infielder, has hit .260/.281/.389 on the season while spending most of the year at High-A Dunedin. He’s not ranked by Baseball America or any similar organization.