Zach Keenan returns to the Lincoln Saltdogs for his second season after a durable rookie year as a part of the starting rotation last year. Keenan made 15 starts and tossed 73.2 innings a season ago, finishing 5-3 with a 5.62 ERA. Keenan made an immediate impact, winning American Association Pitcher of the Week after his first two pro starts in which he allowed three runs across 13 innings against Lake Country and Winnipeg on June 14th and 19th respectively. Keenan pitched five collegiate seasons at Middle Tennessee State University, where he went 12-14 with a 4.65 ERA in 65 appearances and 43 starts in Conference USA.