Alonso is a doubles-machine so far, on track to break the record for doubles in a season. At his current pace, he's on track to hit over 71 doubles. I think the record is in the 60s. I had a feeling this was a little off, so I looked it up... https://www.statmuse.com/mlb/ask/mlb-player-most-doubles-in-a-seasonEarl Webb has the most doubles in a season, with 67 doubles in 1931