Kershaw returned after five weeks. His frustration was related less to the accuracy of the team's internal projections, and more to the reception he might have received upon his return. Say, he explained, he was expected to pitch again in four to six weeks. If he returned after seven weeks, he would be asked about setbacks. If he returned after three weeks, he would be asked why he rushed back.
Source: Los Angeles Times March 28, 2018 17:26 UTC