MLB Prospect Watch: Mariners' Jarred Kelenic shows promise with September surge | CBS Sports Headlines MLB Prospect Watch: Mariners' Jarred Kelenic shows promise with September surge Kelenic won’t be in Rookie of the Year Award consideration, but he’s finishing the season strong ESN FeedsThis post was originally published on this … Continue reading MLB Prospect Watch: Mariners' Jarred Kelenic shows promise with September surge