Ever since Triston Casas tore his patellar tendon on May 2, the first base position has been up in the air. Chief baseball officer Craig Breslow asked Rafael Devers to learn the job, and the request offended him so much that it eventually led to his trade to the San Francisco Giants. Highly regarded rookie Kristian Campbell has also taken grounders at first for weeks on end, debuting there in the minor leagues, but not yet in the majors.
